> 5v signal (despite being designed for 3.3v signal most will handle 5v fine All WS2812B parts that I am aware of are specified for 5V signal and 5V power, not

> 5v signal (despite being designed for 3.3v signal most will handle 5v fine All WS2812B parts that I am aware of are specified for 5V signal and 5V power, not 3.3V. Some brands won't even accept 3.3V input signals and require level shifting.