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Embedded Systems Architecture by Daniele Lacamera

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Bluetooth

Another machine-to-machine connectivity technology in constant evolution is Bluetooth. Its physical layer is based on 2.4 GHz communication to establish host/device communication, or providing the infrastructure for PAN supporting multiple protocols, including TCP/IP communication. Thanks to its longtime success and the consequent wide adoption in the market of personal computers and portable devices, Bluetooth connectivity has started to gain popularity in the universe of embedded microcontrollers, mostly due to the recent evolution of the standard in the direction of lower power consumption.

Initially designed as a wireless replacement of serial communication for devices at a close range, the classic Bluetooth technology has evolved ...

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