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Mastering Arduino by Jon Hoffman

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Bluetooth mesh

One of the latest, and in my opinion, the most exciting, Bluetooth technologies is Bluetooth mesh. All previous Bluetooth technologies relied on a one-to-one or a one-to-many connection where there was always one master/central device. Mesh technology allows Bluetooth devices to establish many-to-many connections, which enables large-scale device networks that do not rely on a central controller. The Bluetooth mesh technology is still in its infancy at the time we are writing this book. However, I believe it is the future of Bluetooth and is a technology worth keeping an eye on.

One thing to note with Bluetooth standards higher than 4.0 is most of the new features are optional and not required to be fully implemented. For example, ...

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