/*
Tombol kiri = 4
Tombol tengah = 3
Tombol kanan = 2

Lampu kiri = 13
Lampu tengah = 12
Lampu kanan = 11
*/

void setup() {
pinMode(2, INPUT_PULLUP);
pinMode(3, INPUT_PULLUP);
pinMode(4, INPUT_PULLUP);
pinMode(11, OUTPUT);
pinMode(12, OUTPUT);
pinMode(13, OUTPUT);
}

void loop() {
int tombolKiri = digitalRead(4);
int tombolTengah = digitalRead(3);
int tombolKanan = digitalRead(2);

if (tombolKiri == LOW) {
digitalWrite(11, HIGH);
digitalWrite(12, HIGH);
} else {
digitalWrite(11, LOW);
digitalWrite(12, LOW);
}

if (tombolTengah == LOW) {
digitalWrite(11, HIGH);
digitalWrite(13, HIGH);
} else {
digitalWrite(11, LOW);
digitalWrite(13, LOW);
}

if (tombolKanan == LOW) {
digitalWrite(12, HIGH);
digitalWrite(13, HIGH);
} else {
digitalWrite(12, LOW);
digitalWrite(13, LOW);
}

}