ESP32-S3 onboard RGB LED

[PieterP]

@sifat887

Then you can use pin 48 to blink the rgb led. I used Fastled library and it works fine.

There's no need to involve any third-party libraries. You can simply use the built-in neopixelWrite function:

espressif/arduino-esp32/blob/114965010529c004ce914fea773095274ea2ce4d/libraries/ESP32/examples/GPIO/BlinkRGB/BlinkRGB.ino#L25-L37