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Blink Arduino Sketch¶

This is a standard Arduino example sketch, copied here for reference.

Full Source Code¶

The full code is all in one file Blink.ino.

 1/*
 2  Blink
 3  Turns on an LED on for one second, then off for one second, repeatedly.
 4
 5  Most Arduinos have an on-board LED you can control. On the Uno and
 6  Leonardo, it is attached to digital pin 13. If you're unsure what
 7  pin the on-board LED is connected to on your Arduino model, check
 8  the documentation at http://www.arduino.cc
 9
10  This example code is in the public domain.
11
12  modified 8 May 2014
13  by Scott Fitzgerald
14 */
15
16
17// the setup function runs once when you press reset or power the board
18void setup() {
19  // initialize digital pin 13 as an output.
20  pinMode(13, OUTPUT);
21}
22
23// the loop function runs over and over again forever
24void loop() {
25  digitalWrite(13, HIGH);   // turn the LED on (HIGH is the voltage level)
26  delay(1000);              // wait for a second
27  digitalWrite(13, LOW);    // turn the LED off by making the voltage LOW
28  delay(1000);              // wait for a second
29}

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