From 5b5ae65ca82bac34ac68574e36a8a0b66b4d9e7c Mon Sep 17 00:00:00 2001
From: CAMP <z@pad.ma>
Date: Wed, 7 Aug 2024 17:27:25 +0530
Subject: [PATCH] pydmxcontroller

---
 README.md                            |   84 ++
 getseq/getspread.py                  |   71 ++
 getseq/seqbakup/sequence.420.json    |  864 ++++++++++++++
 getseq/seqbakup/sequence.421.json    |  864 ++++++++++++++
 getseq/seqbakup/sequence.422.json    |  864 ++++++++++++++
 getseq/seqbakup/sequence.423.json    |  864 ++++++++++++++
 getseq/seqbakup/sequence.424.json    |  864 ++++++++++++++
 getseq/seqbakup/sequence.425.json    |  864 ++++++++++++++
 getseq/some.csv                      |  229 ++++
 mapchannels.py                       |   68 ++
 playchannel.py                       |   60 +
 sequence.json                        |  864 ++++++++++++++
 sequence.py                          |  194 ++++
 timeline.json                        | 1593 ++++++++++++++++++++++++++
 xetc_systemd_system/lights.service   |   20 +
 xetc_systemd_system/lights.service.1 |   19 +
 zztest_NOdmx.py                      |  199 ++++
 zztest_sequence.py                   |  200 ++++
 18 files changed, 8785 insertions(+)
 create mode 100644 README.md
 create mode 100755 getseq/getspread.py
 create mode 100644 getseq/seqbakup/sequence.420.json
 create mode 100644 getseq/seqbakup/sequence.421.json
 create mode 100644 getseq/seqbakup/sequence.422.json
 create mode 100644 getseq/seqbakup/sequence.423.json
 create mode 100644 getseq/seqbakup/sequence.424.json
 create mode 100644 getseq/seqbakup/sequence.425.json
 create mode 100644 getseq/some.csv
 create mode 100755 mapchannels.py
 create mode 100755 playchannel.py
 create mode 100644 sequence.json
 create mode 100755 sequence.py
 create mode 100644 timeline.json
 create mode 100644 xetc_systemd_system/lights.service
 create mode 100644 xetc_systemd_system/lights.service.1
 create mode 100644 zztest_NOdmx.py
 create mode 100644 zztest_sequence.py

diff --git a/README.md b/README.md
new file mode 100644
index 0000000..71f0f2b
--- /dev/null
+++ b/README.md
@@ -0,0 +1,84 @@
+
+Play LED light sequences from csv. Control LED lights using PyDMXControl
+
+Install... 
+https://github.com/MattIPv4/PyDMXControl/tree/master
+
+
+Calc fields / Variables:
+# seq -> "sequence" = position (seconds) on 'timeline' starting 0
+# fadein / fadeout (milliseconds) [optional/default]
+# duration (seconds) 
+# brightness -> 0-255 (optional, else default) [optional/default]
+# "channel" --> LED/channel identifier, order as connected to DMX decoder
+(channel = name | opendmxcontroller calls fixtures "by_name")
+- channels are sequential and fixed
+- blank channels also must be added to dmx..()
+
+## Map channels:
+(play one at a time, wait for input)
+$ python3 mapchannels.py
+
+# run sequence:
+- $ python3 sequence.py
+
+# run sequence from START cell (not from t=0):
+- $ python3 zztest_sequence.py
+
+## debug: 
+(play single channel only and exit)
+$ python3 playsingle.py <channel/name>
+
+_____
+
+*** EDIT ("seq", "duration", optional "brightness") and play sequence: 
+
+- edit local or online calc/csv 
+# get csv -> sequence.json
+- $ python3 getspread.py  
+
+- restart service
+
+- OR edit in json, save, restart service
+
+_____
+
+# check script output:
+$ tmux a
+or
+$ tmux a -t light 
+
+---
+
+lights.service runs sequence.py in a tmux session called "light"
+
+(Run outside tmux)
+
+# start/stop/restart service now 
+sudo systemctl <start/stop/restart> lights.service
+
+# enable/disable service on boot
+sudo systemctl <enable/disable> lights.service
+
+# check status
+systemctl status lights.service  
+
+---
+
+*dev* service script: 
+
+xetc_systemd_system -> lights.service
+edit here if required, and copy to /etc/systemd/system
+
+-------
+
+DMX512 decoder 24channel color - Dip Switch positions = start channel no. ... (for daisy chain)
+
+(dip switch positions)  ( <-- binary. ** Right to Left for dipsw positions)
+ - board#1:  1-24 | all 'off' (0)         | 0
+ - board#2: 25-48 | 1,4,5 - ON (1)        | 11001
+ - board#3: 49-72 | 1,5,6 - ON            | 110001
+ - board#4: 73-...| 1,4,7 - ON            | 1001001 
+
+____
+
diff --git a/getseq/getspread.py b/getseq/getspread.py
new file mode 100755
index 0000000..d62f581
--- /dev/null
+++ b/getseq/getspread.py
@@ -0,0 +1,71 @@
+#!/usr/bin/python3
+
+import io
+import os
+import csv
+import json
+import requests
+import subprocess
+
+#PLAYLIGHTS = 'https://calc...'
+PLAYLIGHTS = 'some.csv'
+
+# get lights from online / local CSV, convert to JSON
+# saves ledisndh.csv and converts to sequence.json
+pathbase = os.path.expanduser("~/bin/dmx")
+
+def row2dict(csvrow):
+    thisLED = {"channel": csvrow["channel"]}
+    if csvrow["seq (position on timeline in seconds)"]:
+        thisLED["seq"] = int(csvrow["seq (position on timeline in seconds)"])
+    if csvrow["duration (sec)"]:
+        thisLED["duration"] = int(csvrow["duration (sec)"])
+    if csvrow["brightness (optional)"]:
+        thisLED["brightness"] = int(csvrow["brightness (optional)"])
+    if csvrow["fadein_opt (ms)"]:
+        thisLED["fadein"] = int(csvrow["fadein_opt (ms)"])
+    if csvrow["fadeout_opt (ms)"]:
+        thisLED["fadeout"] = int(csvrow["fadeout_opt (ms)"])
+    if csvrow["start_opt"] and csvrow["start_opt"].lower().strip() == "start":
+        thisLED["start_opt"] = "start"
+    return(thisLED)
+
+# convert csv to json
+def update_playlights():
+    playlights = []
+    if PLAYLIGHTS.startswith('http'):
+        print(f"\n - Getting CSV from {PLAYLIGHTS.replace('.csv','')} ...")
+        calc_content = requests.get(PLAYLIGHTS, timeout=5).text
+        # get, save CSV from calc.thing
+        csv_file = f"{pathbase}/getseq/{os.path.basename(PLAYLIGHTS)}"
+        with open(csv_file,'w') as f:
+            f.write(calc_content)
+    print(f"\n - Converting local CSV file {PLAYLIGHTS.split('/')[-1]} ...")
+    # convert CSV from local file
+    with open(csv_file, newline='') as cf:
+        reader = csv.DictReader(cf)
+        for row in reader:
+            if row['channel'] == '':
+                continue
+            # convert row to dict
+            thisLED = row2dict(row)
+            # append it to list of all LEDs (channels)
+            playlights.append(thisLED)
+    return playlights
+
+playlights = update_playlights()
+
+# backup current sequence.json
+count = 1
+backup = f"{pathbase}/getseq/seqbakup/sequence.{count}.json"
+while os.path.exists(backup):
+    count += 1
+    backup = f"{pathbase}/getseq/seqbakup/sequence.{count}.json"
+print(f"\n - Backup last sequence.json: {backup}")
+subprocess.call(['mv', f"{pathbase}/sequence.json", backup])
+
+# write local JSON file
+with open(f"{pathbase}/sequence.json", 'w') as f:
+    json.dump(playlights, f, indent=2)
+print(f" - Updated sequence: {pathbase}/sequence.json\n   ___\n")
+
diff --git a/getseq/seqbakup/sequence.420.json b/getseq/seqbakup/sequence.420.json
new file mode 100644
index 0000000..b260418
--- /dev/null
+++ b/getseq/seqbakup/sequence.420.json
@@ -0,0 +1,864 @@
+[
+  {
+    "channel": "10hardevi",
+    "seq": 0,
+    "duration": 5,
+    "fadein": 0
+  },
+  {
+    "channel": "35parsramz",
+    "seq": 10,
+    "duration": 280
+  },
+  {
+    "channel": "50masterc",
+    "seq": 60,
+    "duration": 230
+  },
+  {
+    "channel": "44arjunh",
+    "seq": 110,
+    "duration": 180
+  },
+  {
+    "channel": "53narish",
+    "seq": 170,
+    "duration": 120
+  },
+  {
+    "channel": "22krishnas",
+    "seq": 295,
+    "duration": 215
+  },
+  {
+    "channel": "25rameshs",
+    "seq": 350,
+    "duration": 160
+  },
+  {
+    "channel": "31sureshs",
+    "seq": 515,
+    "duration": 9
+  },
+  {
+    "channel": "53narish",
+    "seq": 515,
+    "duration": 9
+  },
+  {
+    "channel": "22krishnas",
+    "seq": 515,
+    "duration": 9
+  },
+  {
+    "channel": "41kamluj",
+    "seq": 515,
+    "duration": 9
+  },
+  {
+    "channel": "10hardevi",
+    "seq": 515,
+    "duration": 9
+  },
+  {
+    "channel": "10hardevi",
+    "seq": 526,
+    "duration": 3
+  },
+  {
+    "channel": "41kamluj",
+    "seq": 526,
+    "duration": 3
+  },
+  {
+    "channel": "32arjan",
+    "seq": 526,
+    "duration": 3
+  },
+  {
+    "channel": "22krishnas",
+    "seq": 526,
+    "duration": 3
+  },
+  {
+    "channel": "31sureshs",
+    "seq": 526,
+    "duration": 184
+  },
+  {
+    "channel": "46bhaskars",
+    "seq": 580,
+    "duration": 130
+  },
+  {
+    "channel": "43mohank",
+    "seq": 715,
+    "duration": 245
+  },
+  {
+    "channel": "59narayanb",
+    "seq": 780,
+    "duration": 180
+  },
+  {
+    "channel": "07prahladc",
+    "seq": 850,
+    "duration": 110
+  },
+  {
+    "channel": "11govindbajaj",
+    "seq": 965,
+    "duration": 6
+  },
+  {
+    "channel": "17narak",
+    "seq": 965,
+    "duration": 6
+  },
+  {
+    "channel": "52ludib",
+    "seq": 965,
+    "duration": 6
+  },
+  {
+    "channel": "47gopalj",
+    "seq": 965,
+    "duration": 6
+  },
+  {
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+    "seq": 965,
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+  },
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+    "duration": 4
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+    "seq": 973,
+    "duration": 4
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+    "duration": 4
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+    "duration": 4
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+    "seq": 1315,
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+    "start_opt": "start"
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diff --git a/getseq/seqbakup/sequence.421.json b/getseq/seqbakup/sequence.421.json
new file mode 100644
index 0000000..3c56016
--- /dev/null
+++ b/getseq/seqbakup/sequence.421.json
@@ -0,0 +1,864 @@
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diff --git a/getseq/seqbakup/sequence.422.json b/getseq/seqbakup/sequence.422.json
new file mode 100644
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diff --git a/getseq/seqbakup/sequence.423.json b/getseq/seqbakup/sequence.423.json
new file mode 100644
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diff --git a/getseq/seqbakup/sequence.424.json b/getseq/seqbakup/sequence.424.json
new file mode 100644
index 0000000..c0eba90
--- /dev/null
+++ b/getseq/seqbakup/sequence.424.json
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diff --git a/getseq/seqbakup/sequence.425.json b/getseq/seqbakup/sequence.425.json
new file mode 100644
index 0000000..7916be3
--- /dev/null
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+    "duration": 150
+  },
+  {
+    "channel": "22krishnas",
+    "seq": 2880,
+    "duration": 4
+  },
+  {
+    "channel": "31sureshs",
+    "seq": 2880,
+    "duration": 4
+  },
+  {
+    "channel": "10hardevi",
+    "seq": 2950,
+    "duration": 125
+  },
+  {
+    "channel": "01sunild",
+    "seq": 2950,
+    "duration": 125
+  },
+  {
+    "channel": "31sureshs",
+    "seq": 3080,
+    "duration": 120
+  },
+  {
+    "channel": "46bhaskars",
+    "seq": 3080,
+    "duration": 120
+  },
+  {
+    "channel": "58drdharm",
+    "seq": 3205,
+    "duration": 110
+  },
+  {
+    "channel": "22krishnas",
+    "seq": 3275,
+    "duration": 135
+  },
+  {
+    "channel": "25rameshs",
+    "seq": 3300,
+    "duration": 110
+  },
+  {
+    "channel": "37leenam",
+    "seq": 3415,
+    "duration": 3
+  },
+  {
+    "channel": "14hiralalbora",
+    "seq": 3415,
+    "duration": 3
+  },
+  {
+    "channel": "55sundard",
+    "seq": 3415,
+    "duration": 3
+  },
+  {
+    "channel": "49rameshm",
+    "seq": 3415,
+    "duration": 3
+  },
+  {
+    "channel": "53narish",
+    "seq": 3415,
+    "duration": 3
+  },
+  {
+    "channel": "16leelac",
+    "seq": 3415,
+    "duration": 3
+  },
+  {
+    "channel": "14hiralalbora",
+    "seq": 3419,
+    "duration": 3
+  },
+  {
+    "channel": "55sundard",
+    "seq": 3419,
+    "duration": 3
+  },
+  {
+    "channel": "49rameshm",
+    "seq": 3419,
+    "duration": 3
+  },
+  {
+    "channel": "53narish",
+    "seq": 3419,
+    "duration": 3
+  },
+  {
+    "channel": "37leenam",
+    "seq": 3419,
+    "duration": 3
+  },
+  {
+    "channel": "16leelac",
+    "seq": 3419,
+    "duration": 241
+  },
+  {
+    "channel": "56nandc",
+    "seq": 3470,
+    "duration": 190
+  },
+  {
+    "channel": "17narak",
+    "seq": 3530,
+    "duration": 130
+  },
+  {
+    "channel": "55sundard",
+    "seq": 3600,
+    "duration": 60
+  },
+  {
+    "channel": "08bhaup",
+    "seq": 3665,
+    "duration": 8
+  },
+  {
+    "channel": "40sevarab",
+    "seq": 3665,
+    "duration": 8
+  },
+  {
+    "channel": "29satid",
+    "seq": 3665,
+    "duration": 8
+  },
+  {
+    "channel": "02thakurc",
+    "seq": 3665,
+    "duration": 8
+  },
+  {
+    "channel": "28gary",
+    "seq": 3665,
+    "duration": 8
+  },
+  {
+    "channel": "13hardasm",
+    "seq": 3665,
+    "duration": 8
+  },
+  {
+    "channel": "59narayanb",
+    "seq": 3665,
+    "duration": 8
+  },
+  {
+    "channel": "13hardasm",
+    "seq": 3674,
+    "duration": 2
+  },
+  {
+    "channel": "59narayanb",
+    "seq": 3674,
+    "duration": 2
+  },
+  {
+    "channel": "08bhaup",
+    "seq": 3674,
+    "duration": 2
+  },
+  {
+    "channel": "40sevarab",
+    "seq": 3674,
+    "duration": 2
+  },
+  {
+    "channel": "02thakurc",
+    "seq": 3674,
+    "duration": 2
+  },
+  {
+    "channel": "28gary",
+    "seq": 3674,
+    "duration": 2
+  },
+  {
+    "channel": "29satid",
+    "seq": 3674,
+    "duration": 156
+  },
+  {
+    "channel": "23gopim",
+    "seq": 3730,
+    "duration": 100
+  },
+  {
+    "channel": "19hemantr",
+    "seq": 3780,
+    "duration": 70
+  },
+  {
+    "channel": "37leenam",
+    "seq": 3855,
+    "duration": 85
+  },
+  {
+    "channel": "26hrat",
+    "seq": 3945,
+    "duration": 165
+  },
+  {
+    "channel": "20nrat",
+    "seq": 3990,
+    "duration": 120
+  },
+  {
+    "channel": "41kamluj",
+    "seq": 4060,
+    "duration": 160
+  },
+  {
+    "channel": "02thakurc",
+    "seq": 4120,
+    "duration": 100
+  },
+  {
+    "channel": "34murijm",
+    "seq": 4180,
+    "duration": 165
+  },
+  {
+    "channel": "53narish",
+    "seq": 4240,
+    "duration": 105
+  },
+  {
+    "channel": "35parsramz",
+    "seq": 4350,
+    "duration": 100
+  },
+  {
+    "channel": "56nandc",
+    "seq": 4350,
+    "duration": 100
+  },
+  {
+    "channel": "59narayanb",
+    "seq": 4420,
+    "duration": 120
+  },
+  {
+    "channel": "04baldevm",
+    "seq": 4420,
+    "duration": 120
+  },
+  {
+    "channel": "28gary",
+    "seq": 4545,
+    "duration": 220
+  },
+  {
+    "channel": "40sevarab",
+    "seq": 4595,
+    "duration": 170
+  },
+  {
+    "channel": "32arjan",
+    "seq": 4645,
+    "duration": 120
+  },
+  {
+    "channel": "01sunild",
+    "seq": 4770,
+    "duration": 130,
+    "start_opt": "start"
+  },
+  {
+    "channel": "10hardevi",
+    "seq": 4820,
+    "duration": 100
+  },
+  {
+    "channel": "47gopalj"
+  },
+  {
+    "channel": "01sunild"
+  },
+  {
+    "channel": "02thakurc"
+  },
+  {
+    "channel": "03bl"
+  },
+  {
+    "channel": "04baldevm"
+  },
+  {
+    "channel": "05ramchandr"
+  },
+  {
+    "channel": "06bl"
+  },
+  {
+    "channel": "07prahladc"
+  },
+  {
+    "channel": "08bhaup"
+  },
+  {
+    "channel": "09bl"
+  },
+  {
+    "channel": "10hardevi"
+  },
+  {
+    "channel": "11govindbajaj"
+  },
+  {
+    "channel": "12bl"
+  },
+  {
+    "channel": "13hardasm"
+  },
+  {
+    "channel": "14hiralalbora"
+  },
+  {
+    "channel": "15bl"
+  },
+  {
+    "channel": "16leelac"
+  },
+  {
+    "channel": "17narak"
+  },
+  {
+    "channel": "18bl"
+  },
+  {
+    "channel": "19hemantr"
+  },
+  {
+    "channel": "20nrat"
+  },
+  {
+    "channel": "21bl"
+  },
+  {
+    "channel": "22krishnas"
+  },
+  {
+    "channel": "23gopim"
+  },
+  {
+    "channel": "24bl"
+  },
+  {
+    "channel": "25rameshs"
+  },
+  {
+    "channel": "26hrat"
+  },
+  {
+    "channel": "27bl"
+  },
+  {
+    "channel": "28gary"
+  },
+  {
+    "channel": "29satid"
+  },
+  {
+    "channel": "30bl"
+  },
+  {
+    "channel": "31sureshs"
+  },
+  {
+    "channel": "32arjan"
+  },
+  {
+    "channel": "33bl"
+  },
+  {
+    "channel": "34murijm"
+  },
+  {
+    "channel": "36bl"
+  },
+  {
+    "channel": "37leenam"
+  },
+  {
+    "channel": "38harchomal"
+  },
+  {
+    "channel": "39bl"
+  },
+  {
+    "channel": "40sevarab"
+  },
+  {
+    "channel": "41kamluj"
+  },
+  {
+    "channel": "42bl"
+  },
+  {
+    "channel": "43mohank"
+  },
+  {
+    "channel": "44arjunh"
+  },
+  {
+    "channel": "45bl"
+  },
+  {
+    "channel": "46bhaskars"
+  },
+  {
+    "channel": "47gopalj"
+  },
+  {
+    "channel": "48bl"
+  },
+  {
+    "channel": "49rameshm"
+  },
+  {
+    "channel": "50masterc"
+  },
+  {
+    "channel": "51s"
+  },
+  {
+    "channel": "52ludib"
+  },
+  {
+    "channel": "53narish"
+  },
+  {
+    "channel": "54s"
+  },
+  {
+    "channel": "55sundard"
+  },
+  {
+    "channel": "56nandc"
+  },
+  {
+    "channel": "57s"
+  },
+  {
+    "channel": "58drdharm"
+  },
+  {
+    "channel": "59narayanb"
+  },
+  {
+    "channel": "60s"
+  }
+]
\ No newline at end of file
diff --git a/getseq/some.csv b/getseq/some.csv
new file mode 100644
index 0000000..f1895d2
--- /dev/null
+++ b/getseq/some.csv
@@ -0,0 +1,229 @@
+channel,"seq (position on timeline in seconds)","duration (sec)","brightness (optional)",start_opt,story,"fadein_opt (ms)","fadeout_opt (ms)",,"old seq","old duration","end point",fast,"fast dur"
+10hardevi,0,5,,,,0,,,,,,,
+,,,,,,,,,,,,,
+35parsramz,10,280,,,abana,,,,10,280,290,2,56
+50masterc,60,230,,,,,,,60,230,290,12,46
+44arjunh,110,180,,,,,,,110,180,290,22,36
+53narish,170,120,,,,,,,170,120,290,34,24
+,,,,,,,,,,,,,
+22krishnas,295,215,,,"siblings  Show",,,,295,215,510,59,43
+25rameshs,350,160,,,,,,,350,160,510,70,32
+,,,,,,,,,,,,,
+31sureshs,515,9,,,"hyderabad flash",,,,,,,,
+53narish,515,9,,,,,,,,,,,
+22krishnas,515,9,,,,,,,,,,,
+41kamluj,515,9,,,,,,,,,,,
+10hardevi,515,9,,,,,,,,,,,
+10hardevi,526,3,,,,,,,,,,,
+41kamluj,526,3,,,,,,,,,,,
+32arjan,526,3,,,,,,,,,,,
+22krishnas,526,3,,,,,,,,,,,
+31sureshs,526,184,,,,,,,526,184,710,,
+,,,,,,,,,0,0,,,
+46bhaskars,580,130,,,"nephew africa",,,,580,130,710,,
+,,,,,,,,,0,0,0,,
+43mohank,715,245,,,"literary to rss",,,,715,245,960,,
+59narayanb,780,180,,,,,,,780,180,960,,
+07prahladc,850,110,,,,,,,850,110,960,,
+,,,,,,,,,,,,,
+,,,,,,,,,,,,,
+11govindbajaj,965,6,,,"sukkur flash Show",,,,,,,,
+17narak,965,6,,,,,,,,,,,
+52ludib,965,6,,,,,,,,,,,
+47gopalj,965,6,,,,,,,,,,,
+05ramchandr,965,6,,,,,,,,,,,
+05ramchandr,973,4,,,,,,,,,,,
+47gopalj,973,4,,,,,,,,,,,
+11govindbajaj,973,4,,,,,,,,,,,
+52ludib,973,4,,,,,,,,,,,
+17narak,973,237,,,,,,,973,237,1210,,
+,,,,,,,,,,,,,
+13hardasm,1070,240,,,"century rayon",,,,1070,240,1310,,
+28gary,1170,140,,,,,,,1170,140,1310,,
+14hiralalbora,1220,90,,,,,,,1220,90,1310,,
+,,,,,,,,,,,,,
+08bhaup,1315,8,,,"larkana flash",,,,,,,,
+58drdharm,1315,8,,,,,,,,,,,
+40sevarab,1315,8,,,,,,,,,,,
+29satid,1315,8,,,,,,,,,,,
+02thakurc,1315,8,,,,,,,,,,,
+04baldevm,1315,8,,,,,,,,,,,
+28gary,1315,8,,,,,,,,,,,
+13hardasm,1315,8,,,,,,,,,,,
+59narayanb,1315,8,,,,,,,,,,,
+13hardasm,1324,2,,,,,,,,,,,
+59narayanb,1324,2,,,,,,,,,,,
+08bhaup,1324,2,,,,,,,,,,,
+40sevarab,1324,2,,,,,,,,,,,
+29satid,1324,2,,,,,,,,,,,
+02thakurc,1324,2,,,,,,,,,,,
+28gary,1324,2,,,,,,,1324,2,1326,,
+04baldevm,1324,136,,,"late comers",,,,1324,136,1460,,
+58drdharm,1324,136,,,,,,,1324,136,1460,,
+,,,,,,,,,,,,,
+16leelac,1465,140,,,,,,,1465,140,1605,,
+,,,,,,,,,,,,,
+49rameshm,1530,290,,,"sindhi youth circle",,,,1530,290,1820,,
+56nandc,1605,215,,,,,,,1605,215,1820,,
+55sundard,1680,140,,,,,,,1680,140,1820,,
+34murijm,1740,80,,,,,,,1740,80,1820,,
+,,,,,,,,,,,,,
+08bhaup,1825,150,,,"food etc",,,,1825,150,1975,,
+02thakurc,1890,85,,,,,,,1890,85,1975,,
+,,,,,,,,,,,,,
+38harchomal,1980,170,,,"camp to camp",,,,1980,170,2150,,
+19hemantr,2040,110,,,,,,,2040,110,2150,,
+28gary,2110,160,,,,,,,2110,160,2270,,
+55sundard,2170,100,,,,,,,2170,100,2270,,
+,,,,,,,,,,,,,
+26hrat,2275,3,,,"flash rattesars",,,,2275,3,,,
+20nrat,2275,3,,,,,,,2275,3,,,
+26hrat,2280,160,,,,,,,2280,160,2440,,
+20nrat,2350,90,,,,,,,2350,90,2440,,
+,,,,,,,,,,,,,
+52ludib,2445,145,,,"later larkana duo",,,,2445,145,2590,,
+11govindbajaj,2520,100,,,,,,,2520,100,2620,,
+,,,,,,,,,,,,,
+50masterc,2625,240,,,"abana repeat with rearrange",,,,2625,240,2865,,
+35parsramz,2670,195,,,,,,,2670,195,2865,,
+44arjunh,2745,120,,,,,,,2745,120,2865,,
+,,,,,,,,,,,,,
+31sureshs,2870,9,,,"hyderabad flash",,,,,,,,
+32arjan,2870,9,,,,,,,,,,,
+22krishnas,2870,9,,,,,,,,,,,
+41kamluj,2870,9,,,,,,,,,,,
+10hardevi,2870,9,,,,,,,,,,,
+10hardevi,2880,4,,,,,,,,,,,
+41kamluj,2880,4,,,,,,,,,,,
+32arjan,2880,150,,,"arjan stays",,,,2880,120,3000,,
+22krishnas,2880,4,,,,,,,2880,4,2884,,
+31sureshs,2880,4,,,,,,,2880,4,2884,,
+,,,,,,,,,,0,,,
+10hardevi,2950,125,,,"africa loop",,,,2950,125,3075,,
+01sunild,2950,125,,,,,,,2950,125,3075,,
+,,,,,,,,,0,0,,,
+31sureshs,3080,120,,,,,,,3080,120,3200,,
+46bhaskars,3080,120,,,,,,,3080,120,3200,,
+,,,,,,,,,,,,,
+58drdharm,3205,110,,,"doctros and nurse",,,,3205,110,3315,,
+22krishnas,3275,135,,,,,,,3275,135,3410,,
+25rameshs,3300,110,,,brother,,,,3300,110,3410,,
+,,,,,,,,,,,,,
+,,,,,,,,,,,,,
+37leenam,3415,3,,,"KARACHI flash",,,,,,,,
+14hiralalbora,3415,3,,,,,,,,,,,
+55sundard,3415,3,,,,,,,,,,,
+49rameshm,3415,3,,,,,,,,,,,
+53narish,3415,3,,,,,,,,,,,
+16leelac,3415,3,,,,,,,,,,,
+14hiralalbora,3419,3,,,,,,,,,,,
+55sundard,3419,3,,,,,,,,,,,
+49rameshm,3419,3,,,,,,,,,,,
+53narish,3419,3,,,,,,,,,,,
+37leenam,3419,3,,,,,,,,,,,
+16leelac,3419,241,,,"leela stays",,,,3419,241,3660,,
+,,,,,,,,,,,,,
+56nandc,3470,190,,,"new era school",,,,3470,190,3660,,
+17narak,3530,130,,,,,,,3530,130,3660,,
+55sundard,3600,60,,,,,,,3600,60,3660,,
+,,,,,,,,,,,,,
+08bhaup,3665,8,,,"larkana flash",,,,,,,,
+40sevarab,3665,8,,,,,,,,,,,
+29satid,3665,8,,,,,,,,,,,
+02thakurc,3665,8,,,,,,,,,,,
+28gary,3665,8,,,,,,,,,,,
+13hardasm,3665,8,,,,,,,,,,,
+59narayanb,3665,8,,,,,,,,,,,
+13hardasm,3674,2,,,,,,,,,,,
+59narayanb,3674,2,,,,,,,,,,,
+08bhaup,3674,2,,,,,,,,,,,
+40sevarab,3674,2,,,,,,,,,,,
+02thakurc,3674,2,,,,,,,,,,,
+28gary,3674,2,,,,,,,,,,,
+29satid,3674,156,,,"sati stays",,,,3674,156,3830,,
+,,,,,,,,,,,,,
+23gopim,3730,100,,,stitching,,,,3730,100,3830,,
+19hemantr,3780,70,,,,,,,3780,70,3850,,
+,,,,,,,,,,,,,
+37leenam,3855,85,,,solo,,,,3855,85,3940,,
+,,,,,,,,,,,,,
+26hrat,3945,165,,,"gulf loop ",,,,3945,165,4110,,
+20nrat,3990,120,,,,,,,3990,120,4110,,
+41kamluj,4060,160,,,,,,,4060,160,4220,,
+02thakurc,4120,100,,,,,,,4120,100,4220,,
+34murijm,4180,165,,,,,,,4180,165,4345,,
+53narish,4240,105,,,,,,,4240,105,4345,,
+,,,,,,,,,,,,,
+35parsramz,4350,100,,,literary,,,,4350,100,4450,,
+56nandc,4350,100,,,,,,,4350,100,4450,,
+59narayanb,4420,120,,,,,,,4420,120,4540,,
+04baldevm,4420,120,,,"fade out",,,,4420,120,4540,,
+,,,,,,,,,,,,,
+28gary,4545,220,,,"china hk",,,,4545,220,4765,,
+40sevarab,4595,170,,,,,,,4595,170,4765,,
+32arjan,4645,120,,,,,,,4645,120,4765,,
+,,,,,,,,,,,,,
+01sunild,4770,130,,,siblings,,,,4770,130,4900,,
+10hardevi,4830,100,,start,,,,,4830,100,4930,,
+,,,,,,,,,,,,,
+47gopalj,,,,,,,,,,,,,
+,,,,,,,,,,,,,
+01sunild,,,,,,,,,,,,,
+02thakurc,,,,,,,,,,,,,
+03bl,,,,,,,,,,,,,
+04baldevm,,,,,,,,,,,,,
+05ramchandr,,,,,,,,,,,,,
+06bl,,,,,,,,,,,,,
+07prahladc,,,,,,,,,,,,,
+08bhaup,,,,,,,,,,,,,
+09bl,,,,,,,,,,,,,
+10hardevi,,,,,,,,,,,,,
+11govindbajaj,,,,,,,,,,,,,
+12bl,,,,,,,,,,,,,
+13hardasm,,,,,,,,,,,,,
+14hiralalbora,,,,,,,,,,,,,
+15bl,,,,,,,,,,,,,
+16leelac,,,,,,,,,,,,,
+17narak,,,,,,,,,,,,,
+18bl,,,,,,,,,,,,,
+19hemantr,,,,,,,,,,,,,
+20nrat,,,,,,,,,,,,,
+21bl,,,,,,,,,,,,,
+22krishnas,,,,,,,,,,,,,
+23gopim,,,,,,,,,,,,,
+24bl,,,,,,,,,,,,,
+25rameshs,,,,,,,,,,,,,
+26hrat,,,,,,,,,,,,,
+27bl,,,,,,,,,,,,,
+28gary,,,,,,,,,,,,,
+29satid,,,,,,,,,,,,,
+30bl,,,,,,,,,,,,,
+31sureshs,,,,,,,,,,,,,
+32arjan,,,,,,,,,,,,,
+33bl,,,,,,,,,,,,,
+34murijm,,,,,,,,,,,,,
+36bl,,,,,,,,,,,,,
+37leenam,,,,,,,,,,,,,
+38harchomal,,,,,,,,,,,,,
+39bl,,,,,,,,,,,,,
+40sevarab,,,,,,,,,,,,,
+41kamluj,,,,,,,,,,,,,
+42bl,,,,,,,,,,,,,
+43mohank,,,,,,,,,,,,,
+44arjunh,,,,,,,,,,,,,
+45bl,,,,,,,,,,,,,
+46bhaskars,,,,,,,,,,,,,
+47gopalj,,,,,,,,,,,,,
+48bl,,,,,,,,,,,,,
+49rameshm,,,,,,,,,,,,,
+50masterc,,,,,,,,,,,,,
+51s,,,,,,,,,,,,,
+52ludib,,,,,,,,,,,,,
+53narish,,,,,,,,,,,,,
+54s,,,,,,,,,,,,,
+55sundard,,,,,,,,,,,,,
+56nandc,,,,,,,,,,,,,
+57s,,,,,,,,,,,,,
+58drdharm,,,,,,,,,,,,,
+59narayanb,,,,,,,,,,,,,
+60s,,,,,,,,,,,,,
diff --git a/mapchannels.py b/mapchannels.py
new file mode 100755
index 0000000..ae5b0d8
--- /dev/null
+++ b/mapchannels.py
@@ -0,0 +1,68 @@
+#!/usr/bin/python3
+
+import sys
+import json
+import subprocess
+from time import sleep
+from PyDMXControl.controllers import OpenDMXController
+from PyDMXControl.profiles.Generic import Dimmer
+
+## ask for input, play, wait for stop, ask again
+
+# python3 mapchannels.py 
+
+# 0-255 dim / brightness range 
+# fadein, fadeout in milliseconds
+brightness = 10
+fadein = 1000
+fadeout = 1000
+
+data = json.load(open('sequence.json'))
+
+print("\n * Reset USB device")
+subprocess.call(['usbreset', "FT232R USB UART"])
+
+print("\n ** DMX start...")
+dmx = OpenDMXController()
+
+## sort by "channel" -> channel/line number 
+lines = sorted(data, key=lambda x: x["channel"])
+## remove dupes and add lights once in this order 
+channels = []
+for l in lines:
+    if l['channel'] not in channels:
+        channels.append(l['channel'])
+        line = dmx.add_fixture(Dimmer, name=l['channel'])
+print("\n All channel names:")
+print(channels)
+print()
+#dmx.web_control()
+
+try:
+    # forever until keyboard interrupt / ctrl-C
+    while 1>0:
+        print(" * Press 'CTRL-C' to EXIT, or  ")
+        channelname = input(" - Enter channel name to fadein: ")
+        # invalid channelname
+        while channelname not in channels:
+            print(" !! Please check channel name !!")
+            print("\n All channel names:")
+            print(channels)
+            print()
+            channelname = input(" - Enter correct channel name: ")
+        print(f"\n - Play channel: {channelname}")
+        line = dmx.get_fixtures_by_name(channelname)[0]
+        line.dim(brightness, fadein)
+        x = input(f" - Press ANY key (+ENTER) to fadeout {channelname}")
+        line.dim(0, fadeout)
+        sleep(fadeout/1000 + 1)
+        print()
+
+except KeyboardInterrupt:
+    line.dim(0, fadeout)
+    sleep(fadeout/1000 + 1)
+    dmx.close()
+    print()
+    sys.exit()
+print()
+
diff --git a/playchannel.py b/playchannel.py
new file mode 100755
index 0000000..ce6a942
--- /dev/null
+++ b/playchannel.py
@@ -0,0 +1,60 @@
+#!/usr/bin/python3
+
+import sys
+import json
+import subprocess
+from time import sleep
+from PyDMXControl.controllers import OpenDMXController
+from PyDMXControl.profiles.Generic import Dimmer
+
+# python3 playchannel.py <channel/name>
+
+channeltest = sys.argv[1]
+
+# 0-255 dim / brightness range 
+# fadein, fadeout in milliseconds
+brightness = 15
+fadein = 1000
+fadeout = 1000
+
+data = json.load(open('sequence.json'))
+
+print("\n * Reset USB device")
+subprocess.call(['usbreset', "FT232R USB UART"])
+
+print("\n ** DMX start...")
+dmx = OpenDMXController()
+
+## sort by "channel" -> channel/line number 
+lines = sorted(data, key=lambda x: x["channel"])
+## remove dupes and add lights once in this order 
+channels = []
+for l in lines:
+    if l['channel'] not in channels:
+        channels.append(l['channel'])
+        line = dmx.add_fixture(Dimmer, name=l['channel'])
+#print("\nAll channels:")
+#print(channels)
+
+#dmx.web_control()
+
+c = [ i for i in lines if i["channel"] == channeltest ]
+print(f"\n - Play channel: {channeltest}")
+print("\nSequence JSON entry:")
+print(c)
+print(f"fadein: {fadein}")
+print(f"fadeout: {fadeout}")
+
+try:
+    line = dmx.get_fixtures_by_name(channeltest)[0]
+    line.dim(brightness, fadein)
+    print("\n -*- Press Ctrl-C to stop...\n")
+    sleep(1000)
+except KeyboardInterrupt:
+    line.dim(0, fadeout)
+    sleep(fadeout/1000 + 1)
+    dmx.close()
+    print()
+    sys.exit()
+print()
+
diff --git a/sequence.json b/sequence.json
new file mode 100644
index 0000000..33016d1
--- /dev/null
+++ b/sequence.json
@@ -0,0 +1,864 @@
+[
+  {
+    "channel": "10hardevi",
+    "seq": 0,
+    "duration": 5,
+    "fadein": 0
+  },
+  {
+    "channel": "35parsramz",
+    "seq": 10,
+    "duration": 280
+  },
+  {
+    "channel": "50masterc",
+    "seq": 60,
+    "duration": 230
+  },
+  {
+    "channel": "44arjunh",
+    "seq": 110,
+    "duration": 180
+  },
+  {
+    "channel": "53narish",
+    "seq": 170,
+    "duration": 120
+  },
+  {
+    "channel": "22krishnas",
+    "seq": 295,
+    "duration": 215
+  },
+  {
+    "channel": "25rameshs",
+    "seq": 350,
+    "duration": 160
+  },
+  {
+    "channel": "31sureshs",
+    "seq": 515,
+    "duration": 9
+  },
+  {
+    "channel": "53narish",
+    "seq": 515,
+    "duration": 9
+  },
+  {
+    "channel": "22krishnas",
+    "seq": 515,
+    "duration": 9
+  },
+  {
+    "channel": "41kamluj",
+    "seq": 515,
+    "duration": 9
+  },
+  {
+    "channel": "10hardevi",
+    "seq": 515,
+    "duration": 9
+  },
+  {
+    "channel": "10hardevi",
+    "seq": 526,
+    "duration": 3
+  },
+  {
+    "channel": "41kamluj",
+    "seq": 526,
+    "duration": 3
+  },
+  {
+    "channel": "32arjan",
+    "seq": 526,
+    "duration": 3
+  },
+  {
+    "channel": "22krishnas",
+    "seq": 526,
+    "duration": 3
+  },
+  {
+    "channel": "31sureshs",
+    "seq": 526,
+    "duration": 184
+  },
+  {
+    "channel": "46bhaskars",
+    "seq": 580,
+    "duration": 130
+  },
+  {
+    "channel": "43mohank",
+    "seq": 715,
+    "duration": 245
+  },
+  {
+    "channel": "59narayanb",
+    "seq": 780,
+    "duration": 180
+  },
+  {
+    "channel": "07prahladc",
+    "seq": 850,
+    "duration": 110
+  },
+  {
+    "channel": "11govindbajaj",
+    "seq": 965,
+    "duration": 6
+  },
+  {
+    "channel": "17narak",
+    "seq": 965,
+    "duration": 6
+  },
+  {
+    "channel": "52ludib",
+    "seq": 965,
+    "duration": 6
+  },
+  {
+    "channel": "47gopalj",
+    "seq": 965,
+    "duration": 6
+  },
+  {
+    "channel": "05ramchandr",
+    "seq": 965,
+    "duration": 6
+  },
+  {
+    "channel": "05ramchandr",
+    "seq": 973,
+    "duration": 4
+  },
+  {
+    "channel": "47gopalj",
+    "seq": 973,
+    "duration": 4
+  },
+  {
+    "channel": "11govindbajaj",
+    "seq": 973,
+    "duration": 4
+  },
+  {
+    "channel": "52ludib",
+    "seq": 973,
+    "duration": 4
+  },
+  {
+    "channel": "17narak",
+    "seq": 973,
+    "duration": 237
+  },
+  {
+    "channel": "13hardasm",
+    "seq": 1070,
+    "duration": 240
+  },
+  {
+    "channel": "28gary",
+    "seq": 1170,
+    "duration": 140
+  },
+  {
+    "channel": "14hiralalbora",
+    "seq": 1220,
+    "duration": 90
+  },
+  {
+    "channel": "08bhaup",
+    "seq": 1315,
+    "duration": 8
+  },
+  {
+    "channel": "58drdharm",
+    "seq": 1315,
+    "duration": 8
+  },
+  {
+    "channel": "40sevarab",
+    "seq": 1315,
+    "duration": 8
+  },
+  {
+    "channel": "29satid",
+    "seq": 1315,
+    "duration": 8
+  },
+  {
+    "channel": "02thakurc",
+    "seq": 1315,
+    "duration": 8
+  },
+  {
+    "channel": "04baldevm",
+    "seq": 1315,
+    "duration": 8
+  },
+  {
+    "channel": "28gary",
+    "seq": 1315,
+    "duration": 8
+  },
+  {
+    "channel": "13hardasm",
+    "seq": 1315,
+    "duration": 8
+  },
+  {
+    "channel": "59narayanb",
+    "seq": 1315,
+    "duration": 8
+  },
+  {
+    "channel": "13hardasm",
+    "seq": 1324,
+    "duration": 2
+  },
+  {
+    "channel": "59narayanb",
+    "seq": 1324,
+    "duration": 2
+  },
+  {
+    "channel": "08bhaup",
+    "seq": 1324,
+    "duration": 2
+  },
+  {
+    "channel": "40sevarab",
+    "seq": 1324,
+    "duration": 2
+  },
+  {
+    "channel": "29satid",
+    "seq": 1324,
+    "duration": 2
+  },
+  {
+    "channel": "02thakurc",
+    "seq": 1324,
+    "duration": 2
+  },
+  {
+    "channel": "28gary",
+    "seq": 1324,
+    "duration": 2
+  },
+  {
+    "channel": "04baldevm",
+    "seq": 1324,
+    "duration": 136
+  },
+  {
+    "channel": "58drdharm",
+    "seq": 1324,
+    "duration": 136
+  },
+  {
+    "channel": "16leelac",
+    "seq": 1465,
+    "duration": 140
+  },
+  {
+    "channel": "49rameshm",
+    "seq": 1530,
+    "duration": 290
+  },
+  {
+    "channel": "56nandc",
+    "seq": 1605,
+    "duration": 215
+  },
+  {
+    "channel": "55sundard",
+    "seq": 1680,
+    "duration": 140
+  },
+  {
+    "channel": "34murijm",
+    "seq": 1740,
+    "duration": 80
+  },
+  {
+    "channel": "08bhaup",
+    "seq": 1825,
+    "duration": 150
+  },
+  {
+    "channel": "02thakurc",
+    "seq": 1890,
+    "duration": 85
+  },
+  {
+    "channel": "38harchomal",
+    "seq": 1980,
+    "duration": 170
+  },
+  {
+    "channel": "19hemantr",
+    "seq": 2040,
+    "duration": 110
+  },
+  {
+    "channel": "28gary",
+    "seq": 2110,
+    "duration": 160
+  },
+  {
+    "channel": "55sundard",
+    "seq": 2170,
+    "duration": 100
+  },
+  {
+    "channel": "26hrat",
+    "seq": 2275,
+    "duration": 3
+  },
+  {
+    "channel": "20nrat",
+    "seq": 2275,
+    "duration": 3
+  },
+  {
+    "channel": "26hrat",
+    "seq": 2280,
+    "duration": 160
+  },
+  {
+    "channel": "20nrat",
+    "seq": 2350,
+    "duration": 90
+  },
+  {
+    "channel": "52ludib",
+    "seq": 2445,
+    "duration": 145
+  },
+  {
+    "channel": "11govindbajaj",
+    "seq": 2520,
+    "duration": 100
+  },
+  {
+    "channel": "50masterc",
+    "seq": 2625,
+    "duration": 240
+  },
+  {
+    "channel": "35parsramz",
+    "seq": 2670,
+    "duration": 195
+  },
+  {
+    "channel": "44arjunh",
+    "seq": 2745,
+    "duration": 120
+  },
+  {
+    "channel": "31sureshs",
+    "seq": 2870,
+    "duration": 9
+  },
+  {
+    "channel": "32arjan",
+    "seq": 2870,
+    "duration": 9
+  },
+  {
+    "channel": "22krishnas",
+    "seq": 2870,
+    "duration": 9
+  },
+  {
+    "channel": "41kamluj",
+    "seq": 2870,
+    "duration": 9
+  },
+  {
+    "channel": "10hardevi",
+    "seq": 2870,
+    "duration": 9
+  },
+  {
+    "channel": "10hardevi",
+    "seq": 2880,
+    "duration": 4
+  },
+  {
+    "channel": "41kamluj",
+    "seq": 2880,
+    "duration": 4
+  },
+  {
+    "channel": "32arjan",
+    "seq": 2880,
+    "duration": 150
+  },
+  {
+    "channel": "22krishnas",
+    "seq": 2880,
+    "duration": 4
+  },
+  {
+    "channel": "31sureshs",
+    "seq": 2880,
+    "duration": 4
+  },
+  {
+    "channel": "10hardevi",
+    "seq": 2950,
+    "duration": 125
+  },
+  {
+    "channel": "01sunild",
+    "seq": 2950,
+    "duration": 125
+  },
+  {
+    "channel": "31sureshs",
+    "seq": 3080,
+    "duration": 120
+  },
+  {
+    "channel": "46bhaskars",
+    "seq": 3080,
+    "duration": 120
+  },
+  {
+    "channel": "58drdharm",
+    "seq": 3205,
+    "duration": 110
+  },
+  {
+    "channel": "22krishnas",
+    "seq": 3275,
+    "duration": 135
+  },
+  {
+    "channel": "25rameshs",
+    "seq": 3300,
+    "duration": 110
+  },
+  {
+    "channel": "37leenam",
+    "seq": 3415,
+    "duration": 3
+  },
+  {
+    "channel": "14hiralalbora",
+    "seq": 3415,
+    "duration": 3
+  },
+  {
+    "channel": "55sundard",
+    "seq": 3415,
+    "duration": 3
+  },
+  {
+    "channel": "49rameshm",
+    "seq": 3415,
+    "duration": 3
+  },
+  {
+    "channel": "53narish",
+    "seq": 3415,
+    "duration": 3
+  },
+  {
+    "channel": "16leelac",
+    "seq": 3415,
+    "duration": 3
+  },
+  {
+    "channel": "14hiralalbora",
+    "seq": 3419,
+    "duration": 3
+  },
+  {
+    "channel": "55sundard",
+    "seq": 3419,
+    "duration": 3
+  },
+  {
+    "channel": "49rameshm",
+    "seq": 3419,
+    "duration": 3
+  },
+  {
+    "channel": "53narish",
+    "seq": 3419,
+    "duration": 3
+  },
+  {
+    "channel": "37leenam",
+    "seq": 3419,
+    "duration": 3
+  },
+  {
+    "channel": "16leelac",
+    "seq": 3419,
+    "duration": 241
+  },
+  {
+    "channel": "56nandc",
+    "seq": 3470,
+    "duration": 190
+  },
+  {
+    "channel": "17narak",
+    "seq": 3530,
+    "duration": 130
+  },
+  {
+    "channel": "55sundard",
+    "seq": 3600,
+    "duration": 60
+  },
+  {
+    "channel": "08bhaup",
+    "seq": 3665,
+    "duration": 8
+  },
+  {
+    "channel": "40sevarab",
+    "seq": 3665,
+    "duration": 8
+  },
+  {
+    "channel": "29satid",
+    "seq": 3665,
+    "duration": 8
+  },
+  {
+    "channel": "02thakurc",
+    "seq": 3665,
+    "duration": 8
+  },
+  {
+    "channel": "28gary",
+    "seq": 3665,
+    "duration": 8
+  },
+  {
+    "channel": "13hardasm",
+    "seq": 3665,
+    "duration": 8
+  },
+  {
+    "channel": "59narayanb",
+    "seq": 3665,
+    "duration": 8
+  },
+  {
+    "channel": "13hardasm",
+    "seq": 3674,
+    "duration": 2
+  },
+  {
+    "channel": "59narayanb",
+    "seq": 3674,
+    "duration": 2
+  },
+  {
+    "channel": "08bhaup",
+    "seq": 3674,
+    "duration": 2
+  },
+  {
+    "channel": "40sevarab",
+    "seq": 3674,
+    "duration": 2
+  },
+  {
+    "channel": "02thakurc",
+    "seq": 3674,
+    "duration": 2
+  },
+  {
+    "channel": "28gary",
+    "seq": 3674,
+    "duration": 2
+  },
+  {
+    "channel": "29satid",
+    "seq": 3674,
+    "duration": 156
+  },
+  {
+    "channel": "23gopim",
+    "seq": 3730,
+    "duration": 100
+  },
+  {
+    "channel": "19hemantr",
+    "seq": 3780,
+    "duration": 70
+  },
+  {
+    "channel": "37leenam",
+    "seq": 3855,
+    "duration": 85
+  },
+  {
+    "channel": "26hrat",
+    "seq": 3945,
+    "duration": 165
+  },
+  {
+    "channel": "20nrat",
+    "seq": 3990,
+    "duration": 120
+  },
+  {
+    "channel": "41kamluj",
+    "seq": 4060,
+    "duration": 160
+  },
+  {
+    "channel": "02thakurc",
+    "seq": 4120,
+    "duration": 100
+  },
+  {
+    "channel": "34murijm",
+    "seq": 4180,
+    "duration": 165
+  },
+  {
+    "channel": "53narish",
+    "seq": 4240,
+    "duration": 105
+  },
+  {
+    "channel": "35parsramz",
+    "seq": 4350,
+    "duration": 100
+  },
+  {
+    "channel": "56nandc",
+    "seq": 4350,
+    "duration": 100
+  },
+  {
+    "channel": "59narayanb",
+    "seq": 4420,
+    "duration": 120
+  },
+  {
+    "channel": "04baldevm",
+    "seq": 4420,
+    "duration": 120
+  },
+  {
+    "channel": "28gary",
+    "seq": 4545,
+    "duration": 220
+  },
+  {
+    "channel": "40sevarab",
+    "seq": 4595,
+    "duration": 170
+  },
+  {
+    "channel": "32arjan",
+    "seq": 4645,
+    "duration": 120
+  },
+  {
+    "channel": "01sunild",
+    "seq": 4770,
+    "duration": 130
+  },
+  {
+    "channel": "10hardevi",
+    "seq": 4830,
+    "duration": 100,
+    "start_opt": "start"
+  },
+  {
+    "channel": "47gopalj"
+  },
+  {
+    "channel": "01sunild"
+  },
+  {
+    "channel": "02thakurc"
+  },
+  {
+    "channel": "03bl"
+  },
+  {
+    "channel": "04baldevm"
+  },
+  {
+    "channel": "05ramchandr"
+  },
+  {
+    "channel": "06bl"
+  },
+  {
+    "channel": "07prahladc"
+  },
+  {
+    "channel": "08bhaup"
+  },
+  {
+    "channel": "09bl"
+  },
+  {
+    "channel": "10hardevi"
+  },
+  {
+    "channel": "11govindbajaj"
+  },
+  {
+    "channel": "12bl"
+  },
+  {
+    "channel": "13hardasm"
+  },
+  {
+    "channel": "14hiralalbora"
+  },
+  {
+    "channel": "15bl"
+  },
+  {
+    "channel": "16leelac"
+  },
+  {
+    "channel": "17narak"
+  },
+  {
+    "channel": "18bl"
+  },
+  {
+    "channel": "19hemantr"
+  },
+  {
+    "channel": "20nrat"
+  },
+  {
+    "channel": "21bl"
+  },
+  {
+    "channel": "22krishnas"
+  },
+  {
+    "channel": "23gopim"
+  },
+  {
+    "channel": "24bl"
+  },
+  {
+    "channel": "25rameshs"
+  },
+  {
+    "channel": "26hrat"
+  },
+  {
+    "channel": "27bl"
+  },
+  {
+    "channel": "28gary"
+  },
+  {
+    "channel": "29satid"
+  },
+  {
+    "channel": "30bl"
+  },
+  {
+    "channel": "31sureshs"
+  },
+  {
+    "channel": "32arjan"
+  },
+  {
+    "channel": "33bl"
+  },
+  {
+    "channel": "34murijm"
+  },
+  {
+    "channel": "36bl"
+  },
+  {
+    "channel": "37leenam"
+  },
+  {
+    "channel": "38harchomal"
+  },
+  {
+    "channel": "39bl"
+  },
+  {
+    "channel": "40sevarab"
+  },
+  {
+    "channel": "41kamluj"
+  },
+  {
+    "channel": "42bl"
+  },
+  {
+    "channel": "43mohank"
+  },
+  {
+    "channel": "44arjunh"
+  },
+  {
+    "channel": "45bl"
+  },
+  {
+    "channel": "46bhaskars"
+  },
+  {
+    "channel": "47gopalj"
+  },
+  {
+    "channel": "48bl"
+  },
+  {
+    "channel": "49rameshm"
+  },
+  {
+    "channel": "50masterc"
+  },
+  {
+    "channel": "51s"
+  },
+  {
+    "channel": "52ludib"
+  },
+  {
+    "channel": "53narish"
+  },
+  {
+    "channel": "54s"
+  },
+  {
+    "channel": "55sundard"
+  },
+  {
+    "channel": "56nandc"
+  },
+  {
+    "channel": "57s"
+  },
+  {
+    "channel": "58drdharm"
+  },
+  {
+    "channel": "59narayanb"
+  },
+  {
+    "channel": "60s"
+  }
+]
\ No newline at end of file
diff --git a/sequence.py b/sequence.py
new file mode 100755
index 0000000..9eedb87
--- /dev/null
+++ b/sequence.py
@@ -0,0 +1,194 @@
+#!/usr/bin/python3
+
+import os
+import sys
+import json
+import subprocess
+from time import sleep
+from PyDMXControl.controllers import OpenDMXController
+from PyDMXControl.profiles.Generic import Dimmer
+import traceback
+
+'''
+# "channel" --> channel/line identifier, order as connected to DMX decoder
+# seq -> "sequence" = position (seconds) on 'timeline' starting 0
+# fadein / fadeout -> milliseconds
+# duration -> seconds
+# brightness -> 0-255 (optional entry in json, else use default)
+'''
+# DEFAULTS
+# 0-255 dim / brightness range 
+default_brightness = 5
+# fadein, fadeout (milliseconds)
+default_fadein = 700
+default_fadeout = 500
+
+# wait for things to settle...
+print("\n * Wait 15 seconds...")
+sleep(15)
+
+try:
+    base = os.path.expanduser("~/bin/dmx")
+    ## COMMENT THIS SECTION WHEN TIMELINE IS FINAL
+    #with open(f"{base}/getseq/getspread.py") as getspread:
+        #exec(getspread.read())
+    ##
+    data = json.load(open(f"{base}/sequence.json"))
+except Exception as argh:
+    with open("zlog.txt", "a") as e:
+        e.write(" _____\n")
+        e.write(str(argh))
+        e.write(traceback.format_exc())
+        e.write('\n\n')
+
+## ON events
+def start_event(channel):
+    channel_start = {}
+    channel_start["channel"] = channel["channel"]
+    channel_start["event"] = "on"
+    channel_start["seq"] = channel["seq"]
+    if "brightness" in channel:
+        channel_start["brightness"] = int(channel["brightness"])
+    if "fadein" in channel:
+        channel_start["fadein"] = int(channel["fadein"])
+    return channel_start
+
+## OFF events
+def stop_event(channel):
+    channel_stop = {}
+    channel_stop["channel"] = channel["channel"]
+    channel_stop["event"] = "off"
+    # duration from 0
+    stop_time = channel["seq"] + channel["duration"]
+    channel_stop["seq"] = stop_time
+    if "fadeout" in channel:
+        channel_stop["fadeout"] = int(channel["fadeout"])
+    return channel_stop
+
+## each 'time' (sec) an event occurs
+def add_event(events, event):
+    if event["seq"] not in events:
+        events[event["seq"]] = []
+    # add start/on and stop/off events to respective times
+    events[event["seq"]].append(event)
+    return    
+
+try:
+    data_connected = [ l for l in data \
+                if ("seq" in l.keys() and l["seq"]!="") \
+                and ("duration" in l.keys() and l["duration"] != "") ]
+    ## sort by sequence -> play in this order (timeline) 
+    sequence = sorted(data_connected, key=lambda x: x["seq"])
+    # print(sequence)
+
+    ## generate all (on / off) events	
+    events = {}
+    for i in sequence:
+        i_start = start_event(i)
+        i_stop = stop_event(i)
+        # add start/on and stop/off events to respective 'times'
+        add_event(events, i_start)
+        add_event(events, i_stop)
+
+    # chronologically sort event KEYS (time in sec / seq )
+    chrono = list(events.keys())
+    chrono.sort()
+
+    # chronological timeline with events (using sorted KEYS/time)
+    timeline = { x: events[x] for x in chrono }
+    with open('timeline.json','w') as f:
+        json.dump(timeline, f, indent=2)
+except Exception as argh:
+    with open("zlog.txt", "a") as e:
+        e.write(" _____\n")
+        e.write(str(argh))
+        e.write(traceback.format_exc())
+        e.write('\n\n')
+
+try:
+    print("\n * Reset USB device")
+    subprocess.call(['usbreset', "FT232R USB UART"])
+except Exception as argh:
+    with open("zlog.txt", "a") as e:
+        e.write(" _____\n")
+        e.write(str(argh))
+        e.write(traceback.format_exc())
+        e.write('\n\n')
+
+try:
+    print("\n ** DMX start...")
+    dmx = OpenDMXController()
+    ## sort by "channel" -> channel/line number 
+    lines = sorted(data, key=lambda x: x["channel"])
+    ## remove dupes and add lights to DMX once in this order --> [ channels ]
+    channels = []
+    for l in lines:
+        if l['channel'] not in channels:
+            channels.append(l['channel'])
+            line = dmx.add_fixture(Dimmer, name=l['channel'])
+    #print(channels)
+    #dmx.web_control()
+except Exception as argh:
+    with open("zlog.txt", "a") as e:
+        e.write(" _____\n")
+        e.write(str(argh))
+        e.write(traceback.format_exc())
+        e.write('\n\n')
+
+try:
+    # loop 'forever'
+    while 1 > 0:
+        print()
+        # begin timeline
+        print(" * Start timeline...")
+        t = 0
+        # for every t (seq)
+        for i in timeline:
+            # print(i, timeline[i])
+            if int(i) > 0:
+                # hold, count time from last event
+                sleep(int(i) - t)
+            for e in timeline[i]:
+                # for all events at t=i (seq)
+                line = dmx.get_fixtures_by_name(e["channel"])[0]
+                if e["event"] == "on":
+                    # fadein value from json if there, else default
+                    fadein = e.get("fadein", default_fadein)
+                    # dim value from json if there, else default
+                    bright = e.get("brightness", default_brightness)
+                    print(f" - {e['seq']}s | #{e['channel']} {e['event'].upper()} (brightness: {bright}, fadein: {fadein})")
+                    line.dim(bright, fadein)
+                if e["event"] == "off":
+                    # fadeout value from json if there, else default
+                    fadeout = e.get("fadeout", default_fadeout)
+                    print(f" - {e['seq']}s | #{e['channel']} {e['event'].upper()} (fadeout: {fadeout})")
+                    line.dim(0, fadeout)
+                    #sleep(fadeout/1000 + 2) ## to prevent crossfade
+            # now this is previous t for next event
+            t = i
+            # print to stdout next event info ## use chrono (keys list)
+            if i != chrono[-1]:
+                next_t = chrono[chrono.index(i)+1]
+                tt = next_t-int(i)
+                next_event = f"        \ Next event [seq={next_t}] in {tt}s"
+            else:
+                next_event = "       - Last event of sequence"
+            print(next_event)
+except KeyboardInterrupt:
+    print()
+    for e in timeline[i]:
+        # for all events at t=i (seq)
+        line = dmx.get_fixtures_by_name(e["channel"])[0]
+        line.dim(0, 1000)
+    sleep(2)
+    dmx.close()
+    sys.exit()
+except Exception as argh:
+    with open("zlog.txt", "a") as e:
+        e.write(" _____\n")
+        e.write(str(argh))
+        e.write(traceback.format_exc())
+        e.write('\n\n')
+
+dmx.close()
+
diff --git a/timeline.json b/timeline.json
new file mode 100644
index 0000000..0be7ff6
--- /dev/null
+++ b/timeline.json
@@ -0,0 +1,1593 @@
+{
+  "0": [
+    {
+      "channel": "10hardevi",
+      "event": "on",
+      "seq": 0,
+      "fadein": 0
+    }
+  ],
+  "5": [
+    {
+      "channel": "10hardevi",
+      "event": "off",
+      "seq": 5
+    }
+  ],
+  "10": [
+    {
+      "channel": "35parsramz",
+      "event": "on",
+      "seq": 10
+    }
+  ],
+  "60": [
+    {
+      "channel": "50masterc",
+      "event": "on",
+      "seq": 60
+    }
+  ],
+  "110": [
+    {
+      "channel": "44arjunh",
+      "event": "on",
+      "seq": 110
+    }
+  ],
+  "170": [
+    {
+      "channel": "53narish",
+      "event": "on",
+      "seq": 170
+    }
+  ],
+  "290": [
+    {
+      "channel": "35parsramz",
+      "event": "off",
+      "seq": 290
+    },
+    {
+      "channel": "50masterc",
+      "event": "off",
+      "seq": 290
+    },
+    {
+      "channel": "44arjunh",
+      "event": "off",
+      "seq": 290
+    },
+    {
+      "channel": "53narish",
+      "event": "off",
+      "seq": 290
+    }
+  ],
+  "295": [
+    {
+      "channel": "22krishnas",
+      "event": "on",
+      "seq": 295
+    }
+  ],
+  "350": [
+    {
+      "channel": "25rameshs",
+      "event": "on",
+      "seq": 350
+    }
+  ],
+  "510": [
+    {
+      "channel": "22krishnas",
+      "event": "off",
+      "seq": 510
+    },
+    {
+      "channel": "25rameshs",
+      "event": "off",
+      "seq": 510
+    }
+  ],
+  "515": [
+    {
+      "channel": "31sureshs",
+      "event": "on",
+      "seq": 515
+    },
+    {
+      "channel": "53narish",
+      "event": "on",
+      "seq": 515
+    },
+    {
+      "channel": "22krishnas",
+      "event": "on",
+      "seq": 515
+    },
+    {
+      "channel": "41kamluj",
+      "event": "on",
+      "seq": 515
+    },
+    {
+      "channel": "10hardevi",
+      "event": "on",
+      "seq": 515
+    }
+  ],
+  "524": [
+    {
+      "channel": "31sureshs",
+      "event": "off",
+      "seq": 524
+    },
+    {
+      "channel": "53narish",
+      "event": "off",
+      "seq": 524
+    },
+    {
+      "channel": "22krishnas",
+      "event": "off",
+      "seq": 524
+    },
+    {
+      "channel": "41kamluj",
+      "event": "off",
+      "seq": 524
+    },
+    {
+      "channel": "10hardevi",
+      "event": "off",
+      "seq": 524
+    }
+  ],
+  "526": [
+    {
+      "channel": "10hardevi",
+      "event": "on",
+      "seq": 526
+    },
+    {
+      "channel": "41kamluj",
+      "event": "on",
+      "seq": 526
+    },
+    {
+      "channel": "32arjan",
+      "event": "on",
+      "seq": 526
+    },
+    {
+      "channel": "22krishnas",
+      "event": "on",
+      "seq": 526
+    },
+    {
+      "channel": "31sureshs",
+      "event": "on",
+      "seq": 526
+    }
+  ],
+  "529": [
+    {
+      "channel": "10hardevi",
+      "event": "off",
+      "seq": 529
+    },
+    {
+      "channel": "41kamluj",
+      "event": "off",
+      "seq": 529
+    },
+    {
+      "channel": "32arjan",
+      "event": "off",
+      "seq": 529
+    },
+    {
+      "channel": "22krishnas",
+      "event": "off",
+      "seq": 529
+    }
+  ],
+  "580": [
+    {
+      "channel": "46bhaskars",
+      "event": "on",
+      "seq": 580
+    }
+  ],
+  "710": [
+    {
+      "channel": "31sureshs",
+      "event": "off",
+      "seq": 710
+    },
+    {
+      "channel": "46bhaskars",
+      "event": "off",
+      "seq": 710
+    }
+  ],
+  "715": [
+    {
+      "channel": "43mohank",
+      "event": "on",
+      "seq": 715
+    }
+  ],
+  "780": [
+    {
+      "channel": "59narayanb",
+      "event": "on",
+      "seq": 780
+    }
+  ],
+  "850": [
+    {
+      "channel": "07prahladc",
+      "event": "on",
+      "seq": 850
+    }
+  ],
+  "960": [
+    {
+      "channel": "43mohank",
+      "event": "off",
+      "seq": 960
+    },
+    {
+      "channel": "59narayanb",
+      "event": "off",
+      "seq": 960
+    },
+    {
+      "channel": "07prahladc",
+      "event": "off",
+      "seq": 960
+    }
+  ],
+  "965": [
+    {
+      "channel": "11govindbajaj",
+      "event": "on",
+      "seq": 965
+    },
+    {
+      "channel": "17narak",
+      "event": "on",
+      "seq": 965
+    },
+    {
+      "channel": "52ludib",
+      "event": "on",
+      "seq": 965
+    },
+    {
+      "channel": "47gopalj",
+      "event": "on",
+      "seq": 965
+    },
+    {
+      "channel": "05ramchandr",
+      "event": "on",
+      "seq": 965
+    }
+  ],
+  "971": [
+    {
+      "channel": "11govindbajaj",
+      "event": "off",
+      "seq": 971
+    },
+    {
+      "channel": "17narak",
+      "event": "off",
+      "seq": 971
+    },
+    {
+      "channel": "52ludib",
+      "event": "off",
+      "seq": 971
+    },
+    {
+      "channel": "47gopalj",
+      "event": "off",
+      "seq": 971
+    },
+    {
+      "channel": "05ramchandr",
+      "event": "off",
+      "seq": 971
+    }
+  ],
+  "973": [
+    {
+      "channel": "05ramchandr",
+      "event": "on",
+      "seq": 973
+    },
+    {
+      "channel": "47gopalj",
+      "event": "on",
+      "seq": 973
+    },
+    {
+      "channel": "11govindbajaj",
+      "event": "on",
+      "seq": 973
+    },
+    {
+      "channel": "52ludib",
+      "event": "on",
+      "seq": 973
+    },
+    {
+      "channel": "17narak",
+      "event": "on",
+      "seq": 973
+    }
+  ],
+  "977": [
+    {
+      "channel": "05ramchandr",
+      "event": "off",
+      "seq": 977
+    },
+    {
+      "channel": "47gopalj",
+      "event": "off",
+      "seq": 977
+    },
+    {
+      "channel": "11govindbajaj",
+      "event": "off",
+      "seq": 977
+    },
+    {
+      "channel": "52ludib",
+      "event": "off",
+      "seq": 977
+    }
+  ],
+  "1070": [
+    {
+      "channel": "13hardasm",
+      "event": "on",
+      "seq": 1070
+    }
+  ],
+  "1170": [
+    {
+      "channel": "28gary",
+      "event": "on",
+      "seq": 1170
+    }
+  ],
+  "1210": [
+    {
+      "channel": "17narak",
+      "event": "off",
+      "seq": 1210
+    }
+  ],
+  "1220": [
+    {
+      "channel": "14hiralalbora",
+      "event": "on",
+      "seq": 1220
+    }
+  ],
+  "1310": [
+    {
+      "channel": "13hardasm",
+      "event": "off",
+      "seq": 1310
+    },
+    {
+      "channel": "28gary",
+      "event": "off",
+      "seq": 1310
+    },
+    {
+      "channel": "14hiralalbora",
+      "event": "off",
+      "seq": 1310
+    }
+  ],
+  "1315": [
+    {
+      "channel": "08bhaup",
+      "event": "on",
+      "seq": 1315
+    },
+    {
+      "channel": "58drdharm",
+      "event": "on",
+      "seq": 1315
+    },
+    {
+      "channel": "40sevarab",
+      "event": "on",
+      "seq": 1315
+    },
+    {
+      "channel": "29satid",
+      "event": "on",
+      "seq": 1315
+    },
+    {
+      "channel": "02thakurc",
+      "event": "on",
+      "seq": 1315
+    },
+    {
+      "channel": "04baldevm",
+      "event": "on",
+      "seq": 1315
+    },
+    {
+      "channel": "28gary",
+      "event": "on",
+      "seq": 1315
+    },
+    {
+      "channel": "13hardasm",
+      "event": "on",
+      "seq": 1315
+    },
+    {
+      "channel": "59narayanb",
+      "event": "on",
+      "seq": 1315
+    }
+  ],
+  "1323": [
+    {
+      "channel": "08bhaup",
+      "event": "off",
+      "seq": 1323
+    },
+    {
+      "channel": "58drdharm",
+      "event": "off",
+      "seq": 1323
+    },
+    {
+      "channel": "40sevarab",
+      "event": "off",
+      "seq": 1323
+    },
+    {
+      "channel": "29satid",
+      "event": "off",
+      "seq": 1323
+    },
+    {
+      "channel": "02thakurc",
+      "event": "off",
+      "seq": 1323
+    },
+    {
+      "channel": "04baldevm",
+      "event": "off",
+      "seq": 1323
+    },
+    {
+      "channel": "28gary",
+      "event": "off",
+      "seq": 1323
+    },
+    {
+      "channel": "13hardasm",
+      "event": "off",
+      "seq": 1323
+    },
+    {
+      "channel": "59narayanb",
+      "event": "off",
+      "seq": 1323
+    }
+  ],
+  "1324": [
+    {
+      "channel": "13hardasm",
+      "event": "on",
+      "seq": 1324
+    },
+    {
+      "channel": "59narayanb",
+      "event": "on",
+      "seq": 1324
+    },
+    {
+      "channel": "08bhaup",
+      "event": "on",
+      "seq": 1324
+    },
+    {
+      "channel": "40sevarab",
+      "event": "on",
+      "seq": 1324
+    },
+    {
+      "channel": "29satid",
+      "event": "on",
+      "seq": 1324
+    },
+    {
+      "channel": "02thakurc",
+      "event": "on",
+      "seq": 1324
+    },
+    {
+      "channel": "28gary",
+      "event": "on",
+      "seq": 1324
+    },
+    {
+      "channel": "04baldevm",
+      "event": "on",
+      "seq": 1324
+    },
+    {
+      "channel": "58drdharm",
+      "event": "on",
+      "seq": 1324
+    }
+  ],
+  "1326": [
+    {
+      "channel": "13hardasm",
+      "event": "off",
+      "seq": 1326
+    },
+    {
+      "channel": "59narayanb",
+      "event": "off",
+      "seq": 1326
+    },
+    {
+      "channel": "08bhaup",
+      "event": "off",
+      "seq": 1326
+    },
+    {
+      "channel": "40sevarab",
+      "event": "off",
+      "seq": 1326
+    },
+    {
+      "channel": "29satid",
+      "event": "off",
+      "seq": 1326
+    },
+    {
+      "channel": "02thakurc",
+      "event": "off",
+      "seq": 1326
+    },
+    {
+      "channel": "28gary",
+      "event": "off",
+      "seq": 1326
+    }
+  ],
+  "1460": [
+    {
+      "channel": "04baldevm",
+      "event": "off",
+      "seq": 1460
+    },
+    {
+      "channel": "58drdharm",
+      "event": "off",
+      "seq": 1460
+    }
+  ],
+  "1465": [
+    {
+      "channel": "16leelac",
+      "event": "on",
+      "seq": 1465
+    }
+  ],
+  "1530": [
+    {
+      "channel": "49rameshm",
+      "event": "on",
+      "seq": 1530
+    }
+  ],
+  "1605": [
+    {
+      "channel": "16leelac",
+      "event": "off",
+      "seq": 1605
+    },
+    {
+      "channel": "56nandc",
+      "event": "on",
+      "seq": 1605
+    }
+  ],
+  "1680": [
+    {
+      "channel": "55sundard",
+      "event": "on",
+      "seq": 1680
+    }
+  ],
+  "1740": [
+    {
+      "channel": "34murijm",
+      "event": "on",
+      "seq": 1740
+    }
+  ],
+  "1820": [
+    {
+      "channel": "49rameshm",
+      "event": "off",
+      "seq": 1820
+    },
+    {
+      "channel": "56nandc",
+      "event": "off",
+      "seq": 1820
+    },
+    {
+      "channel": "55sundard",
+      "event": "off",
+      "seq": 1820
+    },
+    {
+      "channel": "34murijm",
+      "event": "off",
+      "seq": 1820
+    }
+  ],
+  "1825": [
+    {
+      "channel": "08bhaup",
+      "event": "on",
+      "seq": 1825
+    }
+  ],
+  "1890": [
+    {
+      "channel": "02thakurc",
+      "event": "on",
+      "seq": 1890
+    }
+  ],
+  "1975": [
+    {
+      "channel": "08bhaup",
+      "event": "off",
+      "seq": 1975
+    },
+    {
+      "channel": "02thakurc",
+      "event": "off",
+      "seq": 1975
+    }
+  ],
+  "1980": [
+    {
+      "channel": "38harchomal",
+      "event": "on",
+      "seq": 1980
+    }
+  ],
+  "2040": [
+    {
+      "channel": "19hemantr",
+      "event": "on",
+      "seq": 2040
+    }
+  ],
+  "2110": [
+    {
+      "channel": "28gary",
+      "event": "on",
+      "seq": 2110
+    }
+  ],
+  "2150": [
+    {
+      "channel": "38harchomal",
+      "event": "off",
+      "seq": 2150
+    },
+    {
+      "channel": "19hemantr",
+      "event": "off",
+      "seq": 2150
+    }
+  ],
+  "2170": [
+    {
+      "channel": "55sundard",
+      "event": "on",
+      "seq": 2170
+    }
+  ],
+  "2270": [
+    {
+      "channel": "28gary",
+      "event": "off",
+      "seq": 2270
+    },
+    {
+      "channel": "55sundard",
+      "event": "off",
+      "seq": 2270
+    }
+  ],
+  "2275": [
+    {
+      "channel": "26hrat",
+      "event": "on",
+      "seq": 2275
+    },
+    {
+      "channel": "20nrat",
+      "event": "on",
+      "seq": 2275
+    }
+  ],
+  "2278": [
+    {
+      "channel": "26hrat",
+      "event": "off",
+      "seq": 2278
+    },
+    {
+      "channel": "20nrat",
+      "event": "off",
+      "seq": 2278
+    }
+  ],
+  "2280": [
+    {
+      "channel": "26hrat",
+      "event": "on",
+      "seq": 2280
+    }
+  ],
+  "2350": [
+    {
+      "channel": "20nrat",
+      "event": "on",
+      "seq": 2350
+    }
+  ],
+  "2440": [
+    {
+      "channel": "26hrat",
+      "event": "off",
+      "seq": 2440
+    },
+    {
+      "channel": "20nrat",
+      "event": "off",
+      "seq": 2440
+    }
+  ],
+  "2445": [
+    {
+      "channel": "52ludib",
+      "event": "on",
+      "seq": 2445
+    }
+  ],
+  "2520": [
+    {
+      "channel": "11govindbajaj",
+      "event": "on",
+      "seq": 2520
+    }
+  ],
+  "2590": [
+    {
+      "channel": "52ludib",
+      "event": "off",
+      "seq": 2590
+    }
+  ],
+  "2620": [
+    {
+      "channel": "11govindbajaj",
+      "event": "off",
+      "seq": 2620
+    }
+  ],
+  "2625": [
+    {
+      "channel": "50masterc",
+      "event": "on",
+      "seq": 2625
+    }
+  ],
+  "2670": [
+    {
+      "channel": "35parsramz",
+      "event": "on",
+      "seq": 2670
+    }
+  ],
+  "2745": [
+    {
+      "channel": "44arjunh",
+      "event": "on",
+      "seq": 2745
+    }
+  ],
+  "2865": [
+    {
+      "channel": "50masterc",
+      "event": "off",
+      "seq": 2865
+    },
+    {
+      "channel": "35parsramz",
+      "event": "off",
+      "seq": 2865
+    },
+    {
+      "channel": "44arjunh",
+      "event": "off",
+      "seq": 2865
+    }
+  ],
+  "2870": [
+    {
+      "channel": "31sureshs",
+      "event": "on",
+      "seq": 2870
+    },
+    {
+      "channel": "32arjan",
+      "event": "on",
+      "seq": 2870
+    },
+    {
+      "channel": "22krishnas",
+      "event": "on",
+      "seq": 2870
+    },
+    {
+      "channel": "41kamluj",
+      "event": "on",
+      "seq": 2870
+    },
+    {
+      "channel": "10hardevi",
+      "event": "on",
+      "seq": 2870
+    }
+  ],
+  "2879": [
+    {
+      "channel": "31sureshs",
+      "event": "off",
+      "seq": 2879
+    },
+    {
+      "channel": "32arjan",
+      "event": "off",
+      "seq": 2879
+    },
+    {
+      "channel": "22krishnas",
+      "event": "off",
+      "seq": 2879
+    },
+    {
+      "channel": "41kamluj",
+      "event": "off",
+      "seq": 2879
+    },
+    {
+      "channel": "10hardevi",
+      "event": "off",
+      "seq": 2879
+    }
+  ],
+  "2880": [
+    {
+      "channel": "10hardevi",
+      "event": "on",
+      "seq": 2880
+    },
+    {
+      "channel": "41kamluj",
+      "event": "on",
+      "seq": 2880
+    },
+    {
+      "channel": "32arjan",
+      "event": "on",
+      "seq": 2880
+    },
+    {
+      "channel": "22krishnas",
+      "event": "on",
+      "seq": 2880
+    },
+    {
+      "channel": "31sureshs",
+      "event": "on",
+      "seq": 2880
+    }
+  ],
+  "2884": [
+    {
+      "channel": "10hardevi",
+      "event": "off",
+      "seq": 2884
+    },
+    {
+      "channel": "41kamluj",
+      "event": "off",
+      "seq": 2884
+    },
+    {
+      "channel": "22krishnas",
+      "event": "off",
+      "seq": 2884
+    },
+    {
+      "channel": "31sureshs",
+      "event": "off",
+      "seq": 2884
+    }
+  ],
+  "2950": [
+    {
+      "channel": "10hardevi",
+      "event": "on",
+      "seq": 2950
+    },
+    {
+      "channel": "01sunild",
+      "event": "on",
+      "seq": 2950
+    }
+  ],
+  "3030": [
+    {
+      "channel": "32arjan",
+      "event": "off",
+      "seq": 3030
+    }
+  ],
+  "3075": [
+    {
+      "channel": "10hardevi",
+      "event": "off",
+      "seq": 3075
+    },
+    {
+      "channel": "01sunild",
+      "event": "off",
+      "seq": 3075
+    }
+  ],
+  "3080": [
+    {
+      "channel": "31sureshs",
+      "event": "on",
+      "seq": 3080
+    },
+    {
+      "channel": "46bhaskars",
+      "event": "on",
+      "seq": 3080
+    }
+  ],
+  "3200": [
+    {
+      "channel": "31sureshs",
+      "event": "off",
+      "seq": 3200
+    },
+    {
+      "channel": "46bhaskars",
+      "event": "off",
+      "seq": 3200
+    }
+  ],
+  "3205": [
+    {
+      "channel": "58drdharm",
+      "event": "on",
+      "seq": 3205
+    }
+  ],
+  "3275": [
+    {
+      "channel": "22krishnas",
+      "event": "on",
+      "seq": 3275
+    }
+  ],
+  "3300": [
+    {
+      "channel": "25rameshs",
+      "event": "on",
+      "seq": 3300
+    }
+  ],
+  "3315": [
+    {
+      "channel": "58drdharm",
+      "event": "off",
+      "seq": 3315
+    }
+  ],
+  "3410": [
+    {
+      "channel": "22krishnas",
+      "event": "off",
+      "seq": 3410
+    },
+    {
+      "channel": "25rameshs",
+      "event": "off",
+      "seq": 3410
+    }
+  ],
+  "3415": [
+    {
+      "channel": "37leenam",
+      "event": "on",
+      "seq": 3415
+    },
+    {
+      "channel": "14hiralalbora",
+      "event": "on",
+      "seq": 3415
+    },
+    {
+      "channel": "55sundard",
+      "event": "on",
+      "seq": 3415
+    },
+    {
+      "channel": "49rameshm",
+      "event": "on",
+      "seq": 3415
+    },
+    {
+      "channel": "53narish",
+      "event": "on",
+      "seq": 3415
+    },
+    {
+      "channel": "16leelac",
+      "event": "on",
+      "seq": 3415
+    }
+  ],
+  "3418": [
+    {
+      "channel": "37leenam",
+      "event": "off",
+      "seq": 3418
+    },
+    {
+      "channel": "14hiralalbora",
+      "event": "off",
+      "seq": 3418
+    },
+    {
+      "channel": "55sundard",
+      "event": "off",
+      "seq": 3418
+    },
+    {
+      "channel": "49rameshm",
+      "event": "off",
+      "seq": 3418
+    },
+    {
+      "channel": "53narish",
+      "event": "off",
+      "seq": 3418
+    },
+    {
+      "channel": "16leelac",
+      "event": "off",
+      "seq": 3418
+    }
+  ],
+  "3419": [
+    {
+      "channel": "14hiralalbora",
+      "event": "on",
+      "seq": 3419
+    },
+    {
+      "channel": "55sundard",
+      "event": "on",
+      "seq": 3419
+    },
+    {
+      "channel": "49rameshm",
+      "event": "on",
+      "seq": 3419
+    },
+    {
+      "channel": "53narish",
+      "event": "on",
+      "seq": 3419
+    },
+    {
+      "channel": "37leenam",
+      "event": "on",
+      "seq": 3419
+    },
+    {
+      "channel": "16leelac",
+      "event": "on",
+      "seq": 3419
+    }
+  ],
+  "3422": [
+    {
+      "channel": "14hiralalbora",
+      "event": "off",
+      "seq": 3422
+    },
+    {
+      "channel": "55sundard",
+      "event": "off",
+      "seq": 3422
+    },
+    {
+      "channel": "49rameshm",
+      "event": "off",
+      "seq": 3422
+    },
+    {
+      "channel": "53narish",
+      "event": "off",
+      "seq": 3422
+    },
+    {
+      "channel": "37leenam",
+      "event": "off",
+      "seq": 3422
+    }
+  ],
+  "3470": [
+    {
+      "channel": "56nandc",
+      "event": "on",
+      "seq": 3470
+    }
+  ],
+  "3530": [
+    {
+      "channel": "17narak",
+      "event": "on",
+      "seq": 3530
+    }
+  ],
+  "3600": [
+    {
+      "channel": "55sundard",
+      "event": "on",
+      "seq": 3600
+    }
+  ],
+  "3660": [
+    {
+      "channel": "16leelac",
+      "event": "off",
+      "seq": 3660
+    },
+    {
+      "channel": "56nandc",
+      "event": "off",
+      "seq": 3660
+    },
+    {
+      "channel": "17narak",
+      "event": "off",
+      "seq": 3660
+    },
+    {
+      "channel": "55sundard",
+      "event": "off",
+      "seq": 3660
+    }
+  ],
+  "3665": [
+    {
+      "channel": "08bhaup",
+      "event": "on",
+      "seq": 3665
+    },
+    {
+      "channel": "40sevarab",
+      "event": "on",
+      "seq": 3665
+    },
+    {
+      "channel": "29satid",
+      "event": "on",
+      "seq": 3665
+    },
+    {
+      "channel": "02thakurc",
+      "event": "on",
+      "seq": 3665
+    },
+    {
+      "channel": "28gary",
+      "event": "on",
+      "seq": 3665
+    },
+    {
+      "channel": "13hardasm",
+      "event": "on",
+      "seq": 3665
+    },
+    {
+      "channel": "59narayanb",
+      "event": "on",
+      "seq": 3665
+    }
+  ],
+  "3673": [
+    {
+      "channel": "08bhaup",
+      "event": "off",
+      "seq": 3673
+    },
+    {
+      "channel": "40sevarab",
+      "event": "off",
+      "seq": 3673
+    },
+    {
+      "channel": "29satid",
+      "event": "off",
+      "seq": 3673
+    },
+    {
+      "channel": "02thakurc",
+      "event": "off",
+      "seq": 3673
+    },
+    {
+      "channel": "28gary",
+      "event": "off",
+      "seq": 3673
+    },
+    {
+      "channel": "13hardasm",
+      "event": "off",
+      "seq": 3673
+    },
+    {
+      "channel": "59narayanb",
+      "event": "off",
+      "seq": 3673
+    }
+  ],
+  "3674": [
+    {
+      "channel": "13hardasm",
+      "event": "on",
+      "seq": 3674
+    },
+    {
+      "channel": "59narayanb",
+      "event": "on",
+      "seq": 3674
+    },
+    {
+      "channel": "08bhaup",
+      "event": "on",
+      "seq": 3674
+    },
+    {
+      "channel": "40sevarab",
+      "event": "on",
+      "seq": 3674
+    },
+    {
+      "channel": "02thakurc",
+      "event": "on",
+      "seq": 3674
+    },
+    {
+      "channel": "28gary",
+      "event": "on",
+      "seq": 3674
+    },
+    {
+      "channel": "29satid",
+      "event": "on",
+      "seq": 3674
+    }
+  ],
+  "3676": [
+    {
+      "channel": "13hardasm",
+      "event": "off",
+      "seq": 3676
+    },
+    {
+      "channel": "59narayanb",
+      "event": "off",
+      "seq": 3676
+    },
+    {
+      "channel": "08bhaup",
+      "event": "off",
+      "seq": 3676
+    },
+    {
+      "channel": "40sevarab",
+      "event": "off",
+      "seq": 3676
+    },
+    {
+      "channel": "02thakurc",
+      "event": "off",
+      "seq": 3676
+    },
+    {
+      "channel": "28gary",
+      "event": "off",
+      "seq": 3676
+    }
+  ],
+  "3730": [
+    {
+      "channel": "23gopim",
+      "event": "on",
+      "seq": 3730
+    }
+  ],
+  "3780": [
+    {
+      "channel": "19hemantr",
+      "event": "on",
+      "seq": 3780
+    }
+  ],
+  "3830": [
+    {
+      "channel": "29satid",
+      "event": "off",
+      "seq": 3830
+    },
+    {
+      "channel": "23gopim",
+      "event": "off",
+      "seq": 3830
+    }
+  ],
+  "3850": [
+    {
+      "channel": "19hemantr",
+      "event": "off",
+      "seq": 3850
+    }
+  ],
+  "3855": [
+    {
+      "channel": "37leenam",
+      "event": "on",
+      "seq": 3855
+    }
+  ],
+  "3940": [
+    {
+      "channel": "37leenam",
+      "event": "off",
+      "seq": 3940
+    }
+  ],
+  "3945": [
+    {
+      "channel": "26hrat",
+      "event": "on",
+      "seq": 3945
+    }
+  ],
+  "3990": [
+    {
+      "channel": "20nrat",
+      "event": "on",
+      "seq": 3990
+    }
+  ],
+  "4060": [
+    {
+      "channel": "41kamluj",
+      "event": "on",
+      "seq": 4060
+    }
+  ],
+  "4110": [
+    {
+      "channel": "26hrat",
+      "event": "off",
+      "seq": 4110
+    },
+    {
+      "channel": "20nrat",
+      "event": "off",
+      "seq": 4110
+    }
+  ],
+  "4120": [
+    {
+      "channel": "02thakurc",
+      "event": "on",
+      "seq": 4120
+    }
+  ],
+  "4180": [
+    {
+      "channel": "34murijm",
+      "event": "on",
+      "seq": 4180
+    }
+  ],
+  "4220": [
+    {
+      "channel": "41kamluj",
+      "event": "off",
+      "seq": 4220
+    },
+    {
+      "channel": "02thakurc",
+      "event": "off",
+      "seq": 4220
+    }
+  ],
+  "4240": [
+    {
+      "channel": "53narish",
+      "event": "on",
+      "seq": 4240
+    }
+  ],
+  "4345": [
+    {
+      "channel": "34murijm",
+      "event": "off",
+      "seq": 4345
+    },
+    {
+      "channel": "53narish",
+      "event": "off",
+      "seq": 4345
+    }
+  ],
+  "4350": [
+    {
+      "channel": "35parsramz",
+      "event": "on",
+      "seq": 4350
+    },
+    {
+      "channel": "56nandc",
+      "event": "on",
+      "seq": 4350
+    }
+  ],
+  "4420": [
+    {
+      "channel": "59narayanb",
+      "event": "on",
+      "seq": 4420
+    },
+    {
+      "channel": "04baldevm",
+      "event": "on",
+      "seq": 4420
+    }
+  ],
+  "4450": [
+    {
+      "channel": "35parsramz",
+      "event": "off",
+      "seq": 4450
+    },
+    {
+      "channel": "56nandc",
+      "event": "off",
+      "seq": 4450
+    }
+  ],
+  "4540": [
+    {
+      "channel": "59narayanb",
+      "event": "off",
+      "seq": 4540
+    },
+    {
+      "channel": "04baldevm",
+      "event": "off",
+      "seq": 4540
+    }
+  ],
+  "4545": [
+    {
+      "channel": "28gary",
+      "event": "on",
+      "seq": 4545
+    }
+  ],
+  "4595": [
+    {
+      "channel": "40sevarab",
+      "event": "on",
+      "seq": 4595
+    }
+  ],
+  "4645": [
+    {
+      "channel": "32arjan",
+      "event": "on",
+      "seq": 4645
+    }
+  ],
+  "4765": [
+    {
+      "channel": "28gary",
+      "event": "off",
+      "seq": 4765
+    },
+    {
+      "channel": "40sevarab",
+      "event": "off",
+      "seq": 4765
+    },
+    {
+      "channel": "32arjan",
+      "event": "off",
+      "seq": 4765
+    }
+  ],
+  "4770": [
+    {
+      "channel": "01sunild",
+      "event": "on",
+      "seq": 4770
+    }
+  ],
+  "4830": [
+    {
+      "channel": "10hardevi",
+      "event": "on",
+      "seq": 4830
+    }
+  ],
+  "4900": [
+    {
+      "channel": "01sunild",
+      "event": "off",
+      "seq": 4900
+    }
+  ],
+  "4930": [
+    {
+      "channel": "10hardevi",
+      "event": "off",
+      "seq": 4930
+    }
+  ]
+}
\ No newline at end of file
diff --git a/xetc_systemd_system/lights.service b/xetc_systemd_system/lights.service
new file mode 100644
index 0000000..219a928
--- /dev/null
+++ b/xetc_systemd_system/lights.service
@@ -0,0 +1,20 @@
+[Unit]
+Description=Run sequence.py in tmux sess
+# wait for network to come up
+#After=network-online.target
+
+[Service]
+Type=oneshot
+RemainAfterExit=yes
+User=light
+Group=light
+WorkingDirectory=/home/light/bin/dmx
+ExecStartPost=/bin/sleep 11
+# Start a new tmux session named "light"
+# run Python script in the tmux session
+ExecStart=/usr/bin/tmux new-session -s light -d "python3 sequence.py"
+ExecStop=/usr/bin/tmux kill-session -t light
+
+[Install]
+WantedBy=multi-user.target
+
diff --git a/xetc_systemd_system/lights.service.1 b/xetc_systemd_system/lights.service.1
new file mode 100644
index 0000000..0f3adb2
--- /dev/null
+++ b/xetc_systemd_system/lights.service.1
@@ -0,0 +1,19 @@
+[Unit]
+Description=Run sequence.py in tmux sess
+# wait for network to come up
+After=network-online.target
+
+[Service]
+Type=oneshot
+RemainAfterExit=yes
+User=light
+Group=light
+WorkingDirectory=/home/light/bin/dmx
+# Start a new tmux session named "light"
+# run Python script in the tmux session
+ExecStart=/usr/bin/tmux new-session -s light -d "python3 sequence.py"
+ExecStop=/usr/bin/tmux kill-session -t light
+
+[Install]
+WantedBy=multi-user.target
+
diff --git a/zztest_NOdmx.py b/zztest_NOdmx.py
new file mode 100644
index 0000000..be3742f
--- /dev/null
+++ b/zztest_NOdmx.py
@@ -0,0 +1,199 @@
+#!/usr/bin/python3
+
+import os
+import sys
+import json
+import subprocess
+from time import sleep
+import traceback
+#from PyDMXControl.controllers import OpenDMXController
+#from PyDMXControl.profiles.Generic import Dimmer
+
+'''
+# "channel" --> channel/line identifier, order as connected to DMX decoder
+# seq -> "sequence" = position (seconds) on 'timeline' starting 0
+# fadein / fadeout -> milliseconds
+# duration -> seconds
+# brightness -> 0-255 (optional entry in json, else use default)
+'''
+
+base = os.path.expanduser("~/bin/dmx")
+## COMMENT THIS SECTION WHEN TIMELINE IS FINAL
+with open(f"{base}/getseq/getspread.py") as getspread:
+    exec(getspread.read())
+##
+
+# DEFAULTS
+# 0-255 dim / brightness range 
+default_brightness = 10
+# fadein, fadeout (milliseconds)
+default_fadein = 1000
+default_fadeout = 1000
+## if "start' not entered in 'start_opt' column, default start is 0
+## subtract start_opt_time from on and off events 
+start_opt_time = 0
+
+data = json.load(open('sequence.json'))
+
+## ON events
+def start_event(channel):
+    channel_start = {}
+    channel_start["channel"] = channel["channel"]
+    channel_start["event"] = "on"
+    channel_start["seq"] = channel["seq"] - start_opt_time
+    if "brightness" in channel:
+        channel_start["brightness"] = int(channel["brightness"])
+    if "fadein" in channel:
+        channel_start["fadein"] = int(channel["fadein"])
+    return channel_start
+
+## OFF events
+def stop_event(channel):
+    channel_stop = {}
+    channel_stop["channel"] = channel["channel"]
+    channel_stop["event"] = "off"
+    # duration from 0
+    stop_time = channel["seq"] + channel["duration"] - start_opt_time
+    channel_stop["seq"] = stop_time
+    if "fadeout" in channel:
+        channel_stop["fadeout"] = int(channel["fadeout"])
+    return channel_stop
+
+## each 'time' (sec) an event occurs
+def add_event(events_dict, event):
+    if event["seq"] not in events:
+        events_dict[event["seq"]] = []
+    # add start/on and stop/off events to respective times
+    events_dict[event["seq"]].append(event)
+    return    
+
+data_connected = [ l for l in data \
+            if ("seq" in l.keys() and l["seq"]!="") \
+            and ("duration" in l.keys() and l["duration"] != "") ]
+## sort by sequence -> play in this order (timeline) 
+sequence = sorted(data_connected, key=lambda x: x["seq"])
+# print(sequence)
+
+# start_opt_time -> if 'start' in calc, start playing from that point
+for i in sequence:
+    if "start_opt" in i:
+        start_opt_time = int(i['seq'])
+        break
+
+## generate all (on / off) events	
+events = {}
+for i in sequence:
+    i_start = start_event(i)
+    i_stop = stop_event(i)
+    # add start/on and stop/off events to respective 'times'
+    add_event(events, i_start)
+    add_event(events, i_stop)
+
+# chronologically sort event KEYS (time in sec / seq )
+chrono = list(events.keys())
+chrono.sort()
+
+# chronological timeline with events (using sorted KEYS/time)
+timeline = { x: events[x] for x in chrono if x >= 0 }
+# if seq==0 and "event"=="off" -> remove / don't add
+for e in timeline[0]:
+    if e["event"] == "off":
+        timeline[0].remove(e)
+ 
+# MID-START fix for 'previous-ONs' - on before start
+channs = []
+for t in timeline:
+    for c in timeline[t]:
+        if c['event'] == 'on':
+            channs.append(c['channel'])
+        if c['event'] == 'off':
+            if c['channel'] not in channs:
+                channs.append(c['channel'])
+            else:
+                channs.remove(c['channel'])
+
+##print(channs)
+for ch in channs:
+    timeline[0].append({"channel": ch, "event": "on", "seq": 0})
+
+with open('timeline.json','w') as f:
+    json.dump(timeline, f, indent=2)
+
+# wait for things to settle...
+print("\n * Wait 3 seconds...")
+sleep(3)
+
+print("\n * Reset USB device")
+subprocess.call(['usbreset', "FT232R USB UART"])
+
+print("\n ** DMX start...")
+##dmx = OpenDMXController()
+
+## sort by "channel" -> channel/line number 
+lines = sorted(data, key=lambda x: x["channel"])
+## remove dupes and add lights to DMX once in this order --> [ channels ]
+channels = []
+for l in lines:
+    if l['channel'] not in channels:
+        channels.append(l['channel'])
+        ##line = dmx.add_fixture(Dimmer, name=l['channel'])
+#print(channels)
+#dmx.web_control()
+
+try:
+    # loop 'forever'
+    while 1 > 0:
+        print()
+        # begin timeline
+        print(" * Start timeline...")
+        print(f" - start at seq: {start_opt_time}")
+        t = 0
+        # for every t (seq)
+        for i in timeline:
+            # print(i, timeline[i])
+            if int(i) > 0:
+                # hold, count time from last event
+                sleep(int(i) - t)
+            for e in timeline[i]:
+                # for all events at t=i (seq)
+                ##line = dmx.get_fixtures_by_name(e["channel"])[0]
+                if e["event"] == "on":
+                    # fadein value from json if there, else default
+                    fadein = e.get("fadein", default_fadein)
+                    # dim value from json if there, else default
+                    bright = e.get("brightness", default_brightness)
+                    print(f" - {e['seq']}s | #{e['channel']} {e['event'].upper()} (brightness: {bright}, fadein: {fadein})")
+                    ##line.dim(bright, fadein)
+                if e["event"] == "off":
+                    # fadeout value from json if there, else default
+                    fadeout = e.get("fadeout", default_fadeout)
+                    print(f" - {e['seq']}s | #{e['channel']} {e['event'].upper()} (fadeout: {fadeout})")
+                    ##line.dim(0, fadeout)
+            # now this is previous t for next event
+            t = i
+            # print to stdout next event info ## use chrono (keys list)
+            if i != chrono[-1]:
+                next_t = chrono[chrono.index(i)+1]
+                tt = next_t-int(i)
+                next_event = f"        \ Next event [seq={next_t}] in {tt}s"
+            else:
+                next_event = "       - Last event of sequence"
+            print(next_event)
+except KeyboardInterrupt:
+    print()
+    for e in timeline[i]:
+        print(e["channel"]) # for all events at t=i (seq)
+        ##line = dmx.get_fixtures_by_name(e["channel"])[0]
+        ##line.dim(0, 1000)
+    sleep(2)
+    ##dmx.close()
+    sys.exit()
+except Exception as argh:
+    with open("zlog.txt", "a") as e:
+        e.write(" _____")
+        e.write(str(argh))
+        e.write(traceback.format_exc())
+        e.write('\n\n')
+
+##dmx.close()
+
diff --git a/zztest_sequence.py b/zztest_sequence.py
new file mode 100644
index 0000000..f7f7f64
--- /dev/null
+++ b/zztest_sequence.py
@@ -0,0 +1,200 @@
+#!/usr/bin/python3
+
+import os
+import sys
+import json
+import subprocess
+from time import sleep
+from PyDMXControl.controllers import OpenDMXController
+from PyDMXControl.profiles.Generic import Dimmer
+import traceback
+
+'''
+# "channel" --> channel/line identifier, order as connected to DMX decoder
+# seq -> "sequence" = position (seconds) on 'timeline' starting 0
+# fadein / fadeout -> milliseconds
+# duration -> seconds
+# brightness -> 0-255 (optional entry in json, else use default)
+'''
+
+base = os.path.expanduser("~/bin/dmx")
+## COMMENT THIS SECTION WHEN TIMELINE IS FINAL
+with open(f"{base}/getseq/getspread.py") as getspread:
+    exec(getspread.read())
+##
+
+# DEFAULTS
+# 0-255 dim / brightness range 
+default_brightness = 5
+# fadein, fadeout (milliseconds)
+default_fadein = 500
+default_fadeout = 300
+## if "start' not entered in 'start_opt' column, default start is 0
+## subtract start_opt_time from on and off events 
+start_opt_time = 0
+
+
+data = json.load(open('sequence.json'))
+
+## ON events
+def start_event(channel):
+    channel_start = {}
+    channel_start["channel"] = channel["channel"]
+    channel_start["event"] = "on"
+    channel_start["seq"] = channel["seq"] - start_opt_time
+    if "brightness" in channel:
+        channel_start["brightness"] = int(channel["brightness"])
+    if "fadein" in channel:
+        channel_start["fadein"] = int(channel["fadein"])
+    return channel_start
+
+## OFF events
+def stop_event(channel):
+    channel_stop = {}
+    channel_stop["channel"] = channel["channel"]
+    channel_stop["event"] = "off"
+    # duration from 0
+    stop_time = channel["seq"] + channel["duration"] - start_opt_time
+    channel_stop["seq"] = stop_time
+    if "fadeout" in channel:
+        channel_stop["fadeout"] = int(channel["fadeout"])
+    return channel_stop
+
+## each 'time' (sec) an event occurs
+def add_event(events_dict, event):
+    if event["seq"] not in events:
+        events_dict[event["seq"]] = []
+    # add start/on and stop/off events to respective times
+    events_dict[event["seq"]].append(event)
+    return    
+
+data_connected = [ l for l in data \
+            if ("seq" in l.keys() and l["seq"]!="") \
+            and ("duration" in l.keys() and l["duration"] != "") ]
+## sort by sequence -> play in this order (timeline) 
+sequence = sorted(data_connected, key=lambda x: x["seq"])
+# print(sequence)
+
+# start_opt_time -> if 'start' in calc, start playing from that point
+for i in sequence:
+    if "start_opt" in i:
+        start_opt_time = int(i['seq'])
+        break
+
+## generate all (on / off) events	
+events = {}
+for i in sequence:
+    i_start = start_event(i)
+    i_stop = stop_event(i)
+    # add start/on and stop/off events to respective 'times'
+    add_event(events, i_start)
+    add_event(events, i_stop)
+
+# chronologically sort event KEYS (time in sec / seq )
+chrono = list(events.keys())
+chrono.sort()
+
+# chronological timeline with events (using sorted KEYS/time)
+timeline = { x: events[x] for x in chrono if x >= 0 }
+# if seq==0 and "event"=="off" -> remove / don't add [both on/off at 0]
+for e in timeline[0]:
+    if e["event"] == "off":
+        timeline[0].remove(e)
+ 
+# MID-START fix for 'previous-ONs' - on before start
+channs = []
+for t in timeline:
+    for c in timeline[t]:
+        if c['event'] == 'on':
+            channs.append(c['channel'])
+        if c['event'] == 'off':
+            if c['channel'] not in channs:
+                channs.append(c['channel'])
+            else:
+                channs.remove(c['channel'])
+
+##print(channs)
+for ch in channs:
+    timeline[0].append({"channel": ch, "event": "on", "seq": 0})
+
+with open('timeline.json','w') as f:
+    json.dump(timeline, f, indent=2)
+
+# wait for things to settle...
+print("\n * Wait 3 seconds...")
+sleep(3)
+
+print("\n * Reset USB device")
+subprocess.call(['usbreset', "FT232R USB UART"])
+
+print("\n ** DMX start...")
+dmx = OpenDMXController()
+
+## sort by "channel" -> channel/line number 
+lines = sorted(data, key=lambda x: x["channel"])
+## remove dupes and add lights to DMX once in this order --> [ channels ]
+channels = []
+for l in lines:
+    if l['channel'] not in channels:
+        channels.append(l['channel'])
+        line = dmx.add_fixture(Dimmer, name=l['channel'])
+#print(channels)
+#dmx.web_control()
+
+try:
+    # loop 'forever'
+    while 1 > 0:
+        print()
+        # begin timeline
+        print(" * Start timeline...")
+        print(f" - start at seq: {start_opt_time}")
+        t = 0
+        # for every t (seq)
+        for i in timeline:
+            # print(i, timeline[i])
+            if int(i) > 0:
+                # hold, count time from last event
+                sleep(int(i) - t)
+            for e in timeline[i]:
+                # for all events at t=i (seq)
+                line = dmx.get_fixtures_by_name(e["channel"])[0]
+                if e["event"] == "on":
+                    # dim value from json if there, else default
+                    bright = e.get("brightness", default_brightness)
+                    # fadein value from json if there, else default
+                    fadein = e.get("fadein", default_fadein)
+                    print(f" - {e['seq']}s | #{e['channel']} {e['event'].upper()} (brightness: {bright}, fadein: {fadein})")
+                    line.dim(bright, fadein)
+                if e["event"] == "off":
+                    # fadeout value from json if there, else default
+                    fadeout = e.get("fadeout", default_fadeout)
+                    print(f" - {e['seq']}s | #{e['channel']} {e['event'].upper()} (fadeout: {fadeout})")
+                    line.dim(0, fadeout)
+            # now this is previous t for next event
+            t = i
+            # print to stdout next event info ## use chrono (keys list)
+            if i != chrono[-1]:
+                next_t = chrono[chrono.index(i)+1]
+                tt = next_t-int(i)
+                next_event = f"        \ Next event [seq={next_t}] in {tt}s"
+            else:
+                next_event = "       - Last event of sequence"
+            print(next_event)
+except KeyboardInterrupt:
+    print()
+    for e in timeline[i]:
+        # for all events at t=i (seq)
+        line = dmx.get_fixtures_by_name(e["channel"])[0]
+        line.dim(0, 1000)
+    sleep(2)
+    dmx.close()
+    sys.exit()
+except Exception as argh:
+    with open("zlog.txt", "a") as e:
+        e.write(" _____")
+        e.write(str(argh))
+        e.write(traceback.format_exc())
+        e.write('\n\n')
+
+dmx.close()
+