johnny-five/eg/ping.js

The JavaScript Robotics and Hardware Programming Framework. Use with: Arduino (all models), Electric Imp, Beagle Bone, Intel Galileo & Edison, Linino One, Pinoccio, pcDuino3, Raspberry Pi, Particle/Spark Core & Photon, Tessel 2, TI Launchpad and more!

var five = require("../lib/johnny-five.js");
var board = new five.Board();

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

  // Create a new `ping` hardware instance.
  var ping = new five.Ping(7);

  // Properties

  // ping.in/ping.inches
  //
  // Calculated distance to object in inches
  //

  // ping.cm
  //
  // Calculated distance to object in centimeters
  //

  ping.on("change", function() {
    console.log("Object is " + this.in + " inches away");
  });
});