Recent Projects

A slideshow in the style of MacPaint. Arduino Uno plus 480x320 LCD plus microSD card. A script to convert JPGs to monochrome dithered BMPs.

LackPaint

mark-wilson Mark Wilson

Simple grid tray system for all the soldering accessories

Solder Grid

custom(izable) circuit for sending some megabytes over differential pairs.

miniMAC - Not an Ethernet Transceiver

yann-guidon-ygdes Yann Guidon / YGDES

My PDP-1 Replica (PiDP-1) from Obsolescence Guaranteed has arrived and I want to do something cool with it.

Lunar Lander for the PDP-1

michael-gardi Michael Gardi

Calchemy™ allows you to perform dimensional arithmetic, analysis, and conversions using any standard units, entirely in your web browser!

Calchemy™ -- Math Magic

richard-testardi Richard Testardi

Using a Maple Mini programmed in Arduino to control the Internet Radio Station playing on my Raspberry Pi

Arduino (STM32F1xx) Joystick Input to Raspberry Pi

ray-burne Ray Burne

ATmega2560 based SBC with VGA, PS/2 and SD cards - meant to run FORTH now and serve as graphic card later.

MHF-002 (Mega Home FORTH)

An expandable 68000 based computer

Y Ddraig - My 68000 Computer

stephen-moody Stephen Moody

34 years ago, I wrote a simple game to help my daughter with her understanding of Coordinate Geometry.

The DOTS & BOXES Game

ray-burne Ray Burne

Wheeled biped robots with fully open source hardware and software.

Upkie wheeled biped robots

upkie-wheeled-bipeds Upkie wheeled bipeds

Autonomous walking piratebox

Walking Server

The Definitive Guide to Precision Power: Mastering the INA219 & INA226

Mastering the INA219 & INA226

Allwinner T113-S4 SOC chip is a 2xCortex-A7+1xRISC-V+256M DDR3 processor with RGB_MIPI_LVDS_8080 LCD driver.

SBC-T113 RGB/MIPI/LVDS/AMOLED/QSPI/MCU LCD

eleclab ElecLab

Task is very simple. Just lit a LED and shift it left and right endlessly in a array of 8 LEDs. But NOT by the usual way or Logic you think!

MCS-85 - Self modifying program

Flea-Scope™ is a very low-cost ($18 at Elecrow) and easy-to-use 18 Msps USB oscilloscope and mixed-signal logic analyzer.

Flea-Scope USB Oscilloscope ($18, 18 Msps, WebUSB)

richard-testardi Richard Testardi

I built a compact, hands-free walkie-talkie using AI voice detection—no PTT button, full-duplex feel, and fun speech-triggered animations.

bbTalkie - a Mini Walkie-Talkie With a Twist