johnny-five/eg/button-bumper.js

The JavaScript Arduino Programming Framework.

var five = require("../lib/johnny-five.js"),
  bumper, led;

five.Board().on("ready", function() {

  bumper = new five.Button(7);
  led = new five.Led(13);

  bumper.on("hit", function() {

    led.on();

  }).on("release", function() {

    led.off();

  });
});