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* make digitalRead() for RGB_BUILTIN work

Standard Arduino-Way of blinking a LED can be the shortest with:

void loop() {
  static uint32_t ledticker = 0;
  if (millis() - ledticker > 1000) {
    ledticker = millis();
    digitalWrite(RGB_BUILTIN, !digitalRead(RGB_BUILTIN));
  }
}

Worked with the old LED_BUILTIN on Pin 2, now even works with Pin 48/neopixel.

* Add: make digitalRead() for RGB_BUILTIN work

Standard Arduino-Way of blinking a LED can be the shortest with:

void loop() {
  static uint32_t ledticker = 0;
  if (millis() - ledticker > 1000) {
    ledticker = millis();
    digitalWrite(RGB_BUILTIN, !digitalRead(RGB_BUILTIN));
  }
}

Worked with the old LED_BUILTIN on Pin 2, now even works with Pin 48/neopixel.

(Retry. Didn't sync my local sources. Sorry.)