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IoT Projects with Bluetooth Low Energy by Madhur Bhargava

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Introduction to Bluetooth Low Energy Sensors

Almost every BLE device that you will be interacting with in the real world and during the course of this book, will be a sensor that senses and stores data, waiting to be read. For example, a Fitbit senses heart rate, quality of sleep, and the number of steps walked. We will be interacting with a Fitbit device in the next chapter to understand how it stores the sensed data and how it makes that data available to us:

Figure 1: A Fitbit charge 2 device; source: www.fitbit.com

Temperature and humidity sensors can also use Bluetooth Low Energy as their communication protocol to transfer data to handheld ...

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