A kids alarm module, with buttons and lights. Powered by a Raspberry Pi Zero, connected to WiFi and MQTT.

My ATTEN 858D hot air gun suddenly began tripping the residual-current device in my home office. Let’s investigate!

My electronics lab is tiny, so I’ve had to make the best of the space I do have. Soldering with fume extraction, instruments like an oscilloscope, function generator, bench power supplies.

Mounting a few orange flickering LEDs in my mom’s miniature elf house Christmas decoration.

Making a single relay controlled with WiFi MQTT from Home Assistant, using WeMos D1 mini board.