XDA Developers on MSN

I built a ghost-proof ESP32-powered presence sensor and here's how it works

Bermuda enables device proximity in a room without using any trackers or apps. Using an ESP32, it works as a Bluetooth proxy, ...
Hackaday

MQTT Pager Build Is Bringing Beepers Back

Pagers were once a great way to get a message to someone out in public; they just had to be cool enough to have one. These ...