DIY Sensors with ESP32 and ESPHome

A temperature/humidity sensor you built yourself, flashed with no C++ required, reporting straight into Home Assistant with no cloud service in the middle.

Beginner 1.5 h $15

UPS Integration with Network UPS Tools (NUT)

A power outage that triggers a clean, automatic shutdown across every host on your network -- instead of a hard power-loss and the filesystem corruption risk that comes with it.

Beginner 1 h $80