Recent Projects

BitBall (“Fight Ball”) is a portable 3D-printable reflex trainer for athletes and martial arts enthusiasts. Open-source, easy to assemble!

Smart Fight Ball (Box Ball) game based on ESP8266.

renats-k Renats K

Goal of the project is to develop and build a homebrew 16 bit relay computer

Homebrew 16 bit relay computer

We will introduce the design concept of Rimu, its basic information and functions, modules, and provide details on how to contact us.

RIMU: Bridge the gap between humans and technology

dengtec Dengtec

DIY wireless timer for BMX, sprinting, and cycling. Open-source, easy to build with ESP8266 and 3D-printed parts!

Timer system for Running, Sprint, BMX.

renats-k Renats K

A much simplified USB-C PD and PPS trigger board. Allow users to select arbitrary voltage from PPS-capable power brick via potentiometer

PPSTrigger - USB PD Trigger SuperCharged with PPS!

My old spin on PCBite magnetic PCB clamps are too hard to make. Motivated by a recent HaD post I did a much easier respin.

Another spin on PCB clamps

Beyond '67 SMPTE timecode: YaLTC is a new GPS based AUX syncing track format for dual-system sound based on affordable hardware

Atomic Synchronator => TicTacSync

raymond-lutz Raymond Lutz

Too simple for a project page & which may never happen.

Silly hardware wishlist

lion-mclionhead lion mclionhead

A Euro-rack Version of my Similar Atari Punk Console synthcard with a Stingy Edge.

SunBurst Sting OSCILLATOR

neil-mundt Neil Mundt

I am trying to make a sim handbrake based mostly around an Ender 3 Pro X Gantry, a magnetometer, and a pro micro

Analog Sim Handbrake

A tiny handheld dev console, with a 12 button keypad, Pi Pico W inside, and 128x64 OLED.

Pico Picow

A low cost ESP32 core board with Ethernet and PoE for convenient "single cable" deployments

wESP32: Wired ESP32 with Ethernet and PoE

patrick-van-oosterwijck Patrick Van Oosterwijck

HPDL-1414 display simple yet beautiful and easy to use

HPDL-1414 PMOD Display with a 74HC595 Extender

andrew-tudoroi Andrew Tudoroi

Launch monitor using low-cost Raspberry pi and camera hardware to determine ball launch speed, angles and spin

PiTrac - The DIY Golf Launch Monitor

james-pilgrim James Pilgrim

Turning an old diavox phone into a cellphone. No smart stuff, just a telephone. Pick up the handset and dial just like the old days.

DIAVOX Cellphone

anders-helgesson Anders Helgesson

Automatically cut power to my 3D printer in case of smoke or fire.

Smoke Detector driven Emergency Power Off

qbfreak QBFreak