Imagine tracking your heartbeat without strapping on a smartwatch or touching any gadget, just by sitting within range of ...

The Sep/Oct 2025 issue of Elektor is out. The magazine explores a range of topics including short-range audio, satellite ...

BTLE thermometers are cheap, and last a long time on battery. However, they use BTLE to communicate, which doesn't go far (10-15m? YMMV). ESP32 devices are also cheap, they support both BTLE as well ...

When [upir] saw that you could buy tire valve stem caps that read pressure electronically, he decided to roll his own Tire ...

Update to 2025.8.0 from 2025.7.5 fails on HAOS with ESPHome Addon. Tried: usual installation (via GUI) from ESPHome Builder (Wirelessly, Plug into computer etc) cleaned build files removing caches ...