I made a simple HAT (Hardware Attached on Top) for the Raspberry Pi to read multiple DS18B20 temperature sensors — it was surprisingly easy. I used the measured temperatures to control a fan using Home Assistant.
Kids alarm module, Raspberry Pi Zero, and MQTT
A kids alarm module, with buttons and lights. Powered by a Raspberry Pi Zero, connected to WiFi and MQTT.
Finding earth leakage on ATTEN 858D hot air gun
My ATTEN 858D hot air gun suddenly began tripping the residual-current device in my home office. Let’s investigate!
Electronics lab (2019)
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.
Putting flickering LEDs in christmas decoration
Mounting a few orange flickering LEDs in my mom’s miniature elf house Christmas decoration.