/* created by Aditya Tripathi */ // the setup function runs once when you press reset or power the board void setup() { pinMode(9, OUTPUT); pinMode(3, OUTPUT); } // the loop function runs over and over again forever void loop() { digitalWrite(9, HIGH); digitalWrite(3, HIGH); // turn the LED on (HIGH is the voltage level) delay(100); // wait for a second digitalWrite(9, LOW); digitalWrite(3, LOW); // turn the LED off by making the voltage LOW delay(100); // wait for a second }