/* * Blinking.ino: Blinks pin 13 (led indicator) on the Arduino Uno * Required Components * 1 Arduino Uno */ //led variable to direct to pin 13 int led = 13; void setup() { //setting outputs pinMode(led, OUTPUT); } void loop() { //turn on LED digitalWrite(led, HIGH); delay(500); //turn off LED digitalWrite(led, LOW); delay(500); }