// B05: RGB-LED Farbmischer

const int POTI_R = A0;
const int POTI_G = A1;
const int POTI_B = A2;

const int LED_R = 9;   // PWM-Pins!
const int LED_G = 10;
const int LED_B = 11;

void setup() {
  pinMode(LED_R, OUTPUT);
  pinMode(LED_G, OUTPUT);
  pinMode(LED_B, OUTPUT);
  Serial.begin(9600);
  Serial.println("RGB-Farbmischer gestartet!");
}

void loop() {
  // Potis lesen und auf 0-255 mappen
  int r = map(analogRead(POTI_R), 0, 1023, 0, 255);
  int g = map(analogRead(POTI_G), 0, 1023, 0, 255);
  int b = map(analogRead(POTI_B), 0, 1023, 0, 255);

  analogWrite(LED_R, r);
  analogWrite(LED_G, g);
  analogWrite(LED_B, b);
  delay(50);
}

// Regenbogen-Effekt

const int LED_R = 9;
const int LED_G = 10;
const int LED_B = 11;

void setup() {
  pinMode(LED_R, OUTPUT);
  pinMode(LED_G, OUTPUT);
  pinMode(LED_B, OUTPUT);
}

void setColor(int r, int g, int b) {
  analogWrite(LED_R, r);
  analogWrite(LED_G, g);
  analogWrite(LED_B, b);
}

void loop() {
  // Rot → Gelb → Gruen → Cyan → Blau → Magenta → Rot
  for (int i = 0; i < 255; i++) { setColor(255, i, 0); delay(10); }
  for (int i = 255; i > 0; i--) { setColor(i, 255, 0); delay(10); }
  for (int i = 0; i < 255; i++) { setColor(0, 255, i); delay(10); }
  for (int i = 255; i > 0; i--) { setColor(0, i, 255); delay(10); }
  for (int i = 0; i < 255; i++) { setColor(i, 0, 255); delay(10); }
  for (int i = 255; i > 0; i--) { setColor(255, 0, i); delay(10); }
}