In this tutorial, we’re going to use javascript to setup the BleuIO and quickly start scanning or advertising as an iBeacon or an Eddystone simply by pressing a button. The article assumes you have some general knowledge of how Bluetooth Low Energy (BLE) work. Since the Chrome Serial specification on Google Chrome is not finalized yet, you will have to go to enable the highlighted flag, and restart Chrome. Things we need : Google chrome BleuIO, Bluetooth Low Energy USB dongle*