Bluetooth Mesh and Zephyr

on YouTube ↗46m

" summary

Bluetooth Mesh (released 2017) runs over Bluetooth Low Energy, supports multi-hop up to 127 hops and group multicast, and Zephyr OS provides a working stack that runs on cheap hardware like the BBC micro:bit. Live demo shows 67 micro:bit nodes acting as on/off and level servers; spec caps a network at 32,767 nodes. Mesh uses roles (relay, friend, proxy) for range and low-power operation, mandatory AES-CCM encryption with provisioning and separate network/app/device keys for isolation.

AI-written summary · about

" chapters (15)

1. 0:00Introduction
2. 1:00Bluetooth technologies
3. 2:30Bluetooth Mesh
4. 2:54Multihops
5. 6:45Devices
6. 7:33Relays
7. 8:57Friendship
8. 11:53Proxy
9. 12:49Messages
10. 15:39PublishSubscribe
11. 16:44Node Composition
12. 17:59Example
13. 19:14Demonstration
14. 25:55Zephyr
15. 31:57Security

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