led-blink.md

LED - Blink

Basic LED blink example.

LED on pin 13 (Arduino UNO)

LED inserted directly into pin 13

Fritzing diagram: docs/breadboard/led-13.fzz

 

Run this example from the command line with:

node eg/led-blink.js

const { Board, Led } = require("johnny-five");
const board = new Board();

board.on("ready", () => {
  const led = new Led(13);

  // "blink" the led in 500ms on-off phase periods
  led.blink(500);
});

Illustrations / Photos

LED on pin 13 (Arduino UNO)

LED inserted directly into pin 13

LED on pin 13 with breadboard and resistor (Arduino UNO)

LED on a breadboard and demonstrating use of a resistor

Fritzing diagram: docs/breadboard/led-resistor.fzz

 

 

License

Copyright (c) 2012-2014 Rick Waldron waldron.rick@gmail.com Licensed under the MIT license. Copyright (c) 2015-2023 The Johnny-Five Contributors Licensed under the MIT license.