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.
Read more →

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!
Read more →

Putting flickering LEDs in christmas decoration

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

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.
Read more →

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.
Read more →

Sticking a LED-strip behind my TV

I’m sticking a LED-strip to the back of my TV to create bias lighting.
Read more →

Making a Lync status light

I’m letting my coworkers know my availability with this simple Arduino Uno project. Three LEDs that reflect my Lync status.
Read more →

Getting started with the AVR microcontroller series

A quick introduction to the AVR microcontroller series with sample schematics of inputs, outputs, serial and some basic circuit drawing.
Read more →