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Building iPhone and iPad Electronic Projects by Mike Westerfield

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Chapter 6. Bluetooth Low Energy

What Is Bluetooth Low Energy?

Bluetooth low energy, also known as Bluetooth 4.0, BLE, Bluetooth LE, and Bluetooth Smart, is a new twist on the old Bluetooth standard. It’s designed for ultra-low-energy sensors that can run off of coin cell batteries. Some of the Bluetooth low energy devices that are already available include sports fitness sensors like bicycle speedometers and pedometers built into Nike running shoes; health ...

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