UPDATE: A new edition of this book is now available to order in paperback, hardcover, and Kindle formats. You can find it here: https: //www.amazon.com/dp/B0CLHBLSG2. Bluetooth Low Energy (BLE) is an exciting new technology that was introduced in 2010. It targets applications in the Internet of Things (IoT) space. With the recent release of Bluetooth 5 in late 2016 and Bluetooth mesh in mid-2017 (which builds on top of BLE), Bluetooth...