void setup() {
// put your setup code here, to run once:
pinMode(21, OUTPUT);
pinMode(19, OUTPUT);
pinMode(18, OUTPUT);
}
void loop() {
// put your main code here, to run repeatedly:
digitalWrite(21, HIGH);
delay(500); // this speeds up the simulation
digitalWrite(21, LOW);
delay(500);
//jeda
digitalWrite(19, HIGH);
delay(500);
digitalWrite(19, LOW);
//jeda
digitalWrite(18, HIGH);
delay(500);
digitalWrite(28, LOW);
}