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Explore the fundamental technical concepts of Bluetooth mesh and its implementation on the Zephyr RTOS platform in this 46-minute talk by Martin Woolley from Bluetooth SIG. Delve into the world of secure networks comprising thousands of Bluetooth devices, leveraging Bluetooth Low Energy for optimized, low-power radio communications. Learn about key components such as models, messages, publish/subscribe mechanisms, node composition, and security keys. Discover how to develop Bluetooth mesh firmware for affordable devices like the BBC micro:bit using the Zephyr open-source operating system. Expect code examples and potential live demonstrations to illustrate practical applications. Gain insights from Woolley's extensive industry experience and his recent focus on Bluetooth technologies and Zephyr development.