Hosted on MSN

I built an ESP32-powered presence sensor using only Bluetooth, here's how it works

For smart home deployments, there are a lot of ways to track the presence of individuals in a room. There are motion detection sensors that use mmWave and PIR, and you can also use simple detection ...
Bleeping Computer

Undocumented commands found in Bluetooth chip used by a billion devices

Update 3/9/25: After receiving concerns about the use of the term 'backdoor' to refer to these undocumented commands, we have updated our title and story. Our original story can be found here. The ...
Hackaday

The ESP32 Bluetooth Backdoor That Wasn’t

Recently there was a panicked scrambling after the announcement by [Tarlogic] of a ‘backdoor’ found in Espressif’s popular ESP32 MCUs. Specifically a backdoor on the Bluetooth side that would give a ...