#define led 9
#define button 5
#define ldr A0
int button_state;
int nilai;

void setup() {
  // put your setup code here, to run once:
  pinMode(led, OUTPUT);
  pinMode(button, INPUT);
  pinMode(ldr, INPUT);
  Serial.begin(9600);
}

void loop() {
  // put your main code here, to run repeatedly:
  nilai = analogRead(ldr);
  button_state = digitalRead(button);
  Serial.println(nilai);
  if (nilai >= 750) digitalWrite(led, HIGH);
  else digitalWrite(led, LOW);
  if (digitalRead(led)) {
    if (button_state) {
      digitalWrite(led, LOW);
      delay(1000);
    }
  }
}