Emulate iBeacons with NodeJS for the CES Scavenger Hunt App http://makezine.com/2014/01/03/hacking-the-ces-scavenger-hunt/

ces_scavenger_hunt.js

var bleno = require('bleno'),
    uuid = '842AF9C408F511E39282F23C91AEC05E',
    major = 65000,
    minor = 65000,
    measuredPower = -59;

var intervalId = setInterval(function() {
    bleno.stopAdvertising();
    minor++;
    if (minor > 65009) {
        clearInterval(intervalId);
        console.log("Bye!");
        return;
    }
    console.log(minor);
    bleno.startAdvertisingIBeacon(uuid, major, minor, measuredPower);
}, 2000);

console.log("CES Scavenger Hunt");