johnny-five/eg/led-slider.js

The JavaScript Robotics and Hardware Programming Framework. Use with: Arduino (all models), Electric Imp, Beagle Bone, Intel Galileo & Edison, Linino One, Pinoccio, Raspberry Pi, Spark Core, TI Launchpad and more!

var five = require("../lib/johnny-five.js");
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);
  });
});