39C3: Liberating ESP32 Bluetooth
https://hackaday.com/2025/12/30/39c3-liberating-esp32-bluetooth/

Bluetooth is everywhere, but it’s hard to inspect. Most of the magic is done inside a Bluetooth controller chip, accessed only through a controller-specific Host-Controller Interface (HCI) protocol, and almost …read more (https://hackaday.com/2025/12/30/39c3-liberating-esp32-bluetooth/)