#define Lampu 2
#define PowerAC 3

int ldr = A1;
int Cahaya;

void setup() {
  Serial.begin(9600);
  pinMode(Lampu, OUTPUT);
  pinMode(PowerAC, OUTPUT);

}

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

  if(Cahaya < 500){
    digitalWrite(Lampu, HIGH);
    digitalWrite(PowerAC, HIGH);
    Serial.println("Keadaan gelap, lampu menyala");
  }else{
    digitalWrite(Lampu, LOW);
    digitalWrite(PowerAC, LOW);
    Serial.println("Keadaan terang, lampu mati");
  }
  delay (2000);
  }