#define  LED1 11
#define  LED2 12
 void setup()
 {
 pinMode(LED1, OUTPUT);
 pinMode(LED2, OUTPUT);
 }
 void loop()
 {
 digitalWrite(LED1,HIGH);
 digitalWrite(LED2,HIGH);
 delay(1000);

 digitalWrite(LED1, LOW);
 digitalWrite(LED2, LOW);
 delay(1000);
 
 
 }