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LED - Slider

Controls the brightness of an LED by pairing it with a slider. Requires LED on pin that supports PWM (usually denoted by ~).

Breadboard for "LED - Slider"

docs/breadboard/led-slider.png

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

 

Run this example from the command line with:

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

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

  var slider = new five.Sensor("A0");
  var led = new five.Led(11);

  // Scale the sensor's value to the LED's brightness range
  slider.scale([0, 255]).on("data", function() {
    led.brightness(this.value);
  });
});

 

License

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