#define ledMerah 13
#define ledKuning 12
#define ledHijau 14
#define tombol 2
void setup() {
pinMode(ledMerah, OUTPUT);
pinMode(ledKuning, OUTPUT);
pinMode(ledHijau, OUTPUT);
pinMode(tombol, INPUT);
}
void loop() {
if (digitalRead(tombol) == HIGH)
{
digitalWrite(ledMerah, LOW);
delay(500);
digitalWrite(ledMerah, HIGH);
delay(500);
digitalWrite(ledKuning, HIGH);
delay(500);
digitalWrite(ledHijau, HIGH);
delay(500);
digitalWrite(ledMerah, LOW);
delay(500);
digitalWrite(ledKuning, LOW);
delay(500);
digitalWrite(ledHijau, LOW);
delay(500);
digitalWrite(ledHijau, LOW);
}
}