const int redPin   = 11;
const int greenPin = 10;
const int bluePin  = 9;

const int sensorPinRed   = A2;
const int sensorPinGreen = A1;
const int sensorPinBlue  = A0;

void setup () {
  pinMode(redPin, OUTPUT);
  pinMode(greenPin, OUTPUT);
  pinMode(bluePin, OUTPUT);
}

void loop() {
  int sensorRedValue = analogRead(sensorPinRed);
  int brightnessRed  = map(sensorRedValue,0,990,0,255);
  analogWrite(redPin, brightnessRed);

  int sensorGreenValue = analogRead(sensorPinGreen);
  int brightnessGreen  = map(sensorGreenValue,0,990,0,255);
  analogWrite(greenPin, brightnessGreen);

  int sensorBlueValue = analogRead(sensorPinBlue);
  int brightnessBlue  = map(sensorBlueValue,0,990,0,255);
  analogWrite(bluePin, brightnessBlue);

}