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This book is where your adventures with Bluetooth LE begin. You can start your journey by getting conversant in your hardware options: Arduino, BLE modules, computers (including Raspberry Pi!), and mobile phones. From there, You can write code and wire circuits to connect off-the-shelf sensors, or even go the entire way to writing your own Bluetooth Products and services. Along the way in which You can have a look at lightbulbs, locks, and Apple’s iBeacon technology, in addition to get an understanding of Bluetooth security–both how you can beat other people’s security, and how you can make your hardware protected.