งาน3

void setup() {
  pinMode (13,OUTPUT);
  pinMode (12,OUTPUT);
  pinMode (11,OUTPUT);
  pinMode (10,OUTPUT);
 
  
}

void loop() {

digitalWrite(13,HIGH);
delay(1000);
digitalWrite(13,LOW);
delay(1000);
digitalWrite(12,HIGH);
delay(1000);
digitalWrite(12,LOW);
delay(1000);
digitalWrite(11,HIGH);
delay(1000);
digitalWrite(11,LOW);
delay(1000);
digitalWrite(10,HIGH);
delay(1000);
digitalWrite(10,LOW);
delay(1000);
}