Explore the fundamental technical concepts of Bluetooth mesh and its implementation on the Zephyr RTOS platform in this 46-minute conference talk. Delve into the world of secure networks comprising thousands of Bluetooth devices, leveraging Bluetooth Low Energy (LE) for optimized, low-power radio communications. Gain insights into key aspects such as models, messages, publish/subscribe mechanisms, node composition, and security keys. Discover how the Zephyr open source OS enables Bluetooth mesh support on affordable devices like the BBC micro:bit. Follow along as the speaker demonstrates practical implementations, shares code examples, and provides valuable resources for further exploration. Engage in a Q&A session to deepen your understanding of this powerful networking technology.