byte tombol = 2;
byte lampu = 3;
byte status_tombol;
void setup() {
// put your setup code here, to run once:
Serial.begin(9600);
pinMode(tombol, INPUT);
pinMode(lampu, OUTPUT);
// digitalWrite(lampu, HIGH);
}
void loop() {
// put your main code here, to run repeatedly:
status_tombol = digitalRead(tombol);
Serial.println(status_tombol);
if (status_tombol == 1)
digitalWrite(lampu, HIGH);
else
digitalWrite(lampu, LOW);
}