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Newbie with ESP32C3 LED strip light controller

I have this set up and running like any other Tasmota device, MQTT connected and all that working fine. I have connected it to a confirmed WS2815 strip, but it only lights up white and about 1/2 way through a 5m strip. I'm using a 2A power supply at 12V ( 30 LEDs/m, 5m = 150LEDs, comes in at just under 2A required).


I have connected GND, 12V and DI correctly. I tried also connecting the backup data channel BI but no change in behaviour. After restarting about 10-15 more lights light up. They are all white, and the controls through the web interface seem to have no effect.


I have NFI what I'm doing, so I was looking for a getting started/basic instructions. I haven't changed any firmware from stock, and it all seems to be functioning normally. How do I set it to do some ARGB test patterns? Does it need to be specifically configured to be in ARGB Mode? I couldn't find that in the Tasmota web interface settings. GPIO19 isn't set to anything (stock, untouched settings) - does that need to be assigned to something, since it's the data pin by default?

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Unknown member
Sep 03, 2025

A little extra, in case anyone else finds this via google: My LED strip seems to have a different RGBWW schema than the controller was expecting. I had to change SetOption37 to a different layout. There's a table of permutations of schema each with a number: https://tasmota.github.io/docs/SetOption37/

Pixeltype value gave me "unknown" errors in the console

The default was 0, which had R,G,B,Wc,Ww as the pixel order. I noticed that my strip seemd to have R and G flipped.

I found that option 24 in the table corresponds to G,R,B,Wc,Ww - setting that with setoption37 24 corrected the colour palette.


Now to learn about and figure out how to send commands from HA via MQTT...



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