ĺ//deklarasi variabel
byte led = 2;
byte tombol = 3;
byte lampu = 4;
byte amel = 5;
byte status;
void setup() {
  pinMode(led,OUTPUT);
  pinMode(tombol, INPUT);
  pinMode(lampu, OUTPUT);
  pinMode(amel, INPUT);
}

void loop() {
status=digitalRead(tombol);
if (status==1)
digitalWrite(led, HIGH);
else
digitalWrite(led, LOW);
status=digitalRead(amel);
if (status==1)
digitalWrite(lampu, HIGH);
else
digitalWrite(lampu, LOW);

}