const int pinLDR = A2;
const int led = 4;

int LDR;


void setup() {
  Serial.begin(9600);
  Serial.println("Pendeteksian Sensor LDR Dimulai");
  pinMode(led, OUTPUT);

}

void loop() {
  LDR = analogRead(pinLDR);
  Serial.print("Intensitas Cahaya : ");
  Serial.println(LDR);

  if(LDR >= 500){
    digitalWrite(led, HIGH);
  }else{
    digitalWrite(led, LOW);
  }

}