Kids alarm module, Raspberry Pi Zero, and MQTT

2019-09-10 Modified 2021-02-10 Written by Thomas

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

2019-08-13 Modified 2021-02-10 Written by Thomas

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

2017-12-21 Modified 2021-01-23 Written by Thomas

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

2017-08-31 Modified 2021-02-10 Written by Thomas

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

2017-08-04 Modified 2021-01-23 Written by Thomas

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