My ever-growing collection of electronic toys and original musical instruments. All product designs are open source and are provided with code and schematics.
Dodepan
Lo-fi electronic version of a marimba or handpan. Touch-enabled, with multiple tunings, pitch bending 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.
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!