johnny-five/eg/tinkerkit-accelerometer.js

Firmata based Arduino Programming Framework.

var five = require("../lib/johnny-five.js"),
    board, accel;

board = new five.Board();

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

  // Create a new `Accelerometer` hardware instance.
  //
  // Devices:
  //
  // - Dual Axis http://www.tinkerkit.com/accelerometer/
  //

  accel = new five.Accelerometer({
    pins: [ "I0", "I1" ],
    freq: 100
  });

  // Accelerometer Event API

  // "acceleration"
  //
  // Fires once every N ms, equal to value of freg
  // Defaults to 500ms
  //
  accel.on("acceleration", function( err, timestamp ) {

    console.log( "acceleration", this.pitch, this.roll );
  });

  // "axischange"
  //
  // Fires only when X, Y or Z has changed
  //
  accel.on("axischange", function( err, timestamp ) {

    console.log( "axischange", this.raw );
  });
});