My ever-growing selection of original toys, electronic circuits and innovative musical instruments. All product designs are open source and are provided with code and schematics.
Dodepan
Portable musical instrument and Midi controller. Touch-enabled, with multiple tunings and presets, pitch bending, looper, and Midi out.
TS-DET1
micro:bit keypad synth with detuning.
A quirky musical toy that uses tilting to alter the pitch of the notes being played.
Grimmboy
Arduino-controlled kids’ audio player.
Multilingual, battery-powered audio player that’s extremely simple to operate thanks to NFC tags embedded into microcassette-style cards.
Jukephone
Repurposing a landline telephone into a music jukebox with an Mp3 player. Specific tracks are played by typing their number on the keypad.
Picophonica
A revamped synth engine for a toy keyboard, with instrument presets and Midi out.
TS-TAP4
Arduino-based drum sequencer and drum machine.
Just tap a rhythm on its touch sensors and it will start looping the sequence right away.
Portami
A portable, battery-powered polyphonic synth with onboard speaker and audio out.
It’s designed to be a companion to small USB Midi keyboards.
VRRVRR
A visual and haptic metronome, an aid for musicians.
Unlike traditional metronomes, it keeps the tempo by vibrating and blinking its LEDs.
The Electronic Box
A DIY STEM kit to let kids play with basic electronic components. It’s filled with switches, toggles, potentiometers, and LEDs. It also features a tone generator, a timer, a motor, and a photoresistor.
ESP8266 Weather Station
My contribution to an open source device that acts as a weather station, displaying real-time weather and astronomy data, forecasts and room temperature.
Wooden ambulance with siren
Ambulance with a siren and two alternating LEDs.
Will be used to rescue wounded toys.
LED dice
LED runner with LDR and sound. Press the button to roll and release it to get a number.
Uses a 555 timer and a CD4017 decade counter.
Voice changer toy
Lo-fi sampler with pitch/speed modulation.
You can sound like a chipmunk or a monster in a cave!
Octopush
A set of building blocks, a modular construction toy.
All the blocks have the same shape, and can be connected to one another in many different ways.