/*
Turns on a LED on for one second, then off for
one second, repeatedly.
*/
// constants won't change. They're used here to
// set pin numbers:
// in Pin 13 we will connect a LED.
// Give it a name.
const int led = 13;
// the setup routine runs once when you press
// reset:
void setup() {
// initialize the digital pin as an output.
pinMode(led, OUTPUT);
}
// the loop routine runs over and over again
//forever:
void loop() {
// turn the LED on (HIGH is the voltage level)
digitalWrite(led, HIGH);
// wait for 3 seconds
delay(3000);
// turn the LED off by making the voltage LOW
digitalWrite(led, LOW);
// wait for a second
delay(1000);
}
