//Kamis, 21 Maret 2024
//Ahmad Fadhil
//2021230048
//Teknologi Platform IoT


int ledMerahPin = 2;
int ledKuningPin = 4;
int ledHijauPin = 5;
int potensioPin = 34;
int val = 0;

void setup() {
  Serial.begin(9600);
  pinMode(ledMerahPin, OUTPUT);
  pinMode(ledKuningPin, OUTPUT);
  pinMode(ledHijauPin, OUTPUT);
}

void loop() {
  val = analogRead(potensioPin);
  int nilaipot = val / 4;
  int kecerahan = map(nilaipot, 0, 1023, 0, 255);
  
  if (kecerahan >= 0 && kecerahan <= 128) {
    digitalWrite(ledMerahPin, HIGH);
    digitalWrite(ledKuningPin, LOW);
    digitalWrite(ledHijauPin, LOW);
  } else if (kecerahan > 128 && kecerahan <= 191) {
    digitalWrite(ledMerahPin, LOW);
    digitalWrite(ledKuningPin, HIGH);
    digitalWrite(ledHijauPin, LOW);
  } else {
    digitalWrite(ledMerahPin, LOW);
    digitalWrite(ledKuningPin, LOW);
    digitalWrite(ledHijauPin, HIGH);
  }
  
  Serial.println(val);
  delay(100); 
}