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Mastering Arduino by Jon Hoffman

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Introduction

One of the most common misunderstandings of Bluetooth LE by people that are not familiar with the technology is that Bluetooth LE is a lightweight subset of Bluetooth Classic. This is not true, as Bluetooth Classic and Bluetooth LE are two fundamentally different protocols with different design goals.

Most wireless technologies, such as Wi-Fi and Bluetooth Classic, were designed to satisfy a wide range of use cases; however, the design of Bluetooth LE is a bit different. Originally created by Nokia and known as Wibree, the primary design focus of Bluetooth LE was to create a radio standard with the lowest possible power consumption and optimized for low cost, low complexity, and low bandwidth.

Bluetooth LE specifications were ...

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