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LED - Pulse

LED pulse example that fades an LED in and out repeatedly. Requires LED on pin that supports PWM (usually denoted by ~).

LED on pin 11 (Arduino UNO)

LED inserted directly into pin 11.


Fritzing diagram: docs/breadboard/led-11-pwm.fzz


Run this example from the command line with:

node eg/led-pulse.js
var five = require("johnny-five");
var board = new five.Board();

board.on("ready", function() {

  // Create a standard `led` component
  // on a valid pwm pin
  var led = new five.Led(11);


  // Stop and turn off the led pulse loop after
  // 10 seconds (shown in ms)
  this.wait(10000, function() {

    // stop() terminates the interval
    // off() shuts the led off



Copyright (c) 2012-2014 Rick Waldron Licensed under the MIT license. Copyright (c) 2015-2018 The Johnny-Five Contributors Licensed under the MIT license.