Kids alarm module, Raspberry Pi Zero, and MQTT

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.
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Finding earth leakage on ATTEN 858D hot air gun

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!
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Electronics lab

Electronics lab
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.
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Putting flickering LEDs in christmas decoration

Putting flickering LEDs in christmas decoration
Mounting a few orange flickering LEDs in my mom’s miniature elf house Christmas decoration.
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Making a WiFi MQTT controlled relay for Home Assistant

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