#define ledhijau 3
#define ledkuning 4
#define ledbiru 5
#define ledMerah 2
void setup() {
  // put your setup code here, to run once:
pinMode (ledMerah,OUTPUT );
pinMode(ledbiru, OUTPUT);
pinMode(ledkuning, OUTPUT);
pinMode(ledhijau, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
digitalWrite (ledMerah,LOW );
digitalWrite(ledbiru,LOW );
digitalWrite(ledkuning,LOW);
digitalWrite(ledhijau, LOW);
delay(1000);


}
;