I wrote a blog post about how to fix the problem of "CONFLICT! driver_ng is not allowed" occurring in programs for the ESP32 series that use RGB LEDs such as WS2812.
Please read this if you are using RGB LEDs on ESP32 or have encountered this problem.
https://bokunimo-net.translate.goog/blog/esp/5501/?_x_tr_sl=ja&_x_tr_tl=en
