I created an alarm clock using a motion detection sensor so that you're not able to just hit the snooze button and go back to sleep.

A cap used to detect and notify you if someone from behind comes closer to you in offices, grocery shops, public transport places, etc.

Make it play "La Cucaracha" when your door closes

It has some LEDs inside something that refracts.

Saving my parents marriage (metaphorically speaking).

Our Gnome is ready to follow you in your travels and keep track of all the places you visit, thanks to a GPS shield and the Nano Every.

Data logging from two electricity meters (type "eHZ") simultaneously and store data (time and value of reading) to an SD card.

Aren't they stunning?

Porting Arduboy to the ATMega4809 and making it run on a Arduino Nano Every.

Use your Arduino board and drive as many nixie tubes you want.

Open a garage door using only hand gestures!

A flexible, extensible platform for COVID-19 testing - quick and easy detection and tracing in the developing world using CRISPR tests.

Two stepper motors and an Arduino to turn around an SMD part.

Draw the current time on a Magna Doodle using your favorite TrueType fonts

Choose the colours of the LED strip using Hue/Saturation/Value parameters, flick the switch and watch your music come to life through FFT.

This stroboscope is a precise and versatile instrument which can be used to analyze periodic or fast motions.

Landje Robot is an fully open source STEM robot. It deviates in two aspects from many other builds. See here where...

Any nixie tubes can be used in this design. The design is based on universal nixie tube sockets.

Make a user-friendly interface with an alphanumeric display, a rotary encoder and a finite state machine.

A physical and portable LED sign in the shape of the Astralis logo.

Modded my daughter's Fisher Price Sea Turtle toy to play custom audio files.

Tornadoes are still a mystery to scientists due to the difficulty of collecting data. We've learned a lot through research, but not enough.

This is my Clyon Raider kit to which I added Arduino controlled internal lighting.