#5198·WLED

Flickering - WS2805 - ESP32 C3 mini

Author: arx8xCreated Dec 16, 2025Updated Sep 16, 2026
Labelsbug

What happened?

Reproducible and frequent data corruption/flickering when using WS2805 RGBCCT strips with ESP32 C3 mini. I tried with and without logic level shifters and it still happens. The same issue doesn't occur on a regular ESP32 (same WLED version). I tried different versions of WLED as well and confirmed the issue exists on all WLED versions that support WS2805. I also tested the board with WS2812b and the issue doesn't seem to happen or it's not apparent/frequent enough.

To Reproduce Bug

Run an effect like Candle Multi at half brightness.

Expected Behavior

normal functionality

Install Method

Binary from WLED.me

What version of WLED?

WLED 0.15.3 (build 2508020)

Which microcontroller/board are you seeing the problem on?

ESP32-C3

Relevant log/trace output

bash

Anything else?

No response

Code of Conduct

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