//-------------------------------------------------------------------
#define PIN_RGB_ROT        9
#define PIN_LED_RGB_GRUEN  6
#define PIN_LED_RGB_BLAU  10

//-------------------------------------------------------------------
void setup() {
  // nix
}

//-------------------------------------------------------------------
void loop() {
  //---
  // ROT: Tastgrad 5 = 5/255*100 % = 1.9%
  analogWrite(PIN_RGB_ROT, 5);
  // Pause 900ms
  delay(900);

  //---
  // ROT: Tastgrad 40 = 40/255*100 % = 15.7%
  analogWrite(PIN_RGB_ROT, 40);
  // Pause 100ms
  delay(100);
}