int redSlider =  A0;
int greenSlider = A1;
int blueSlider = A2;

void setup() {
  pinMode(redSlider, OUTPUT);     
  pinMode(greenSlider, OUTPUT);
  pinMode(blueSlider, OUTPUT); 

  Serial.begin(115200);
}

void loop() {
  // Read outputs from analogpins
  int redValue = map(analogRead(A0), 0, 1023, 0, 255);
  int greenValue = map(analogRead(A1), 0, 1023, 0, 255);
  int blueValue = map(analogRead(A2), 0, 1023, 0, 255);
  
  // New outputvalues
  analogWrite(redSlider, redValue);
  analogWrite(greenSlider, greenValue);
  analogWrite(blueSlider, blueValue);

  // Print values in text
  Serial.print("Red: ");
  Serial.println(redValue);
  Serial.print("Green: ");
  Serial.println(greenValue);
  Serial.print("Blue: ");
  Serial.println(blueValue);
  Serial.println("----------");
  delay(100);
}