const int ledRed = 22;
const int ledGreen = 19;
const int ledBlue = 18;
const int analogPin = 13;

void setup() {
  Serial.begin(115200);  
  pinMode(ledRed, OUTPUT);
  pinMode(ledGreen, OUTPUT);
  pinMode(ledBlue, OUTPUT);
  pinMode(12, INPUT);
  pinMode(4, INPUT);
  pinMode(15, INPUT);
}

void loop() {
  handleLED(ledRed, 12);
  handleLED(ledGreen, 4);
  handleLED(ledBlue, 15);
}

void handleLED(int ledPin, int inputPin) {
  if (digitalRead(inputPin) == HIGH) {
    digitalWrite(ledPin, HIGH);
    int value = analogRead(analogPin);
    float voltage = (float)value / 4095.0 * 3.3; 
    int intensity = map(voltage, 0.0, 3.3, 0, 4095); 
    analogWrite(ledPin, intensity);
    Serial.println("Analog Value: " + String(value));
    Serial.println("Voltage: " + String(voltage));
   
  } else {
    digitalWrite(ledPin, LOW);
  }
}