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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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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Making the Lync status light bigger and brighter

Making the Lync status light bigger and brighter
I’m letting my coworkers know my availability with this simple Arduino Uno project. Improved the previous design by adding bigger and brighter LEDs.
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