Recent Projects

A software tool to help design 3D printed PCBs

Electroprint - 3D print your PCBs

Professeur-Sims

Turn a touch screen and a raspberry into an Omnichord!

LB Omnichord

jeroen-v Jeroen V

Modular ROS2 perception stack for a humanoid robot — camera, YOLO detection, custom object tracking, evolving toward a full world model.

HMPUS — Himani Multimodal Perception & Understandi

compact, energy-efficient, battery-powered system for ePaper-based display of information gathered via Wi-Fi

Tinta - low power wireless epaper device

compact alphanumeric split-flap display

Mini Split-Flap Display

svofski svofski

A pocket-sized front panel for the diagnostic tools you already use

Scottina

A File Manger for Altair 8800 and CP/M 2.2 written in 8080 Assembler

STEM

matt-brugman Matt Brugman

Breathing life into a half a century old RCA COSMAC Micromonitor emulator of CDP1802 microprocessor

CDP18S030: A Microcomputer in a Briefcase

lauri-pirttiaho Lauri Pirttiaho

A dual-display e-paper device inspired by the strange, timeless reader from It Follows part e-book reader, part experimental platform

A dual-display e-paper device

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

A fully programmable PCB designed to replace the brains of the iconic calculator watch by Casio. Based on Joey Castillo's Sensor Watch Pro.

Hacking the Casio CA-53W: Outatime Pro

evelien-dekkers Evelien Dekkers

An ESP32-powered desk gadget with six round displays that appears to spin without any visible axle — the trick is mounting the frame on the

YUMO Roulette — A "Floating" Spinning Desk Gadget

yumobuilds YUMO.BUILDS

Number sieves are machines that outran computers, 1920s-1990s. A 1982 design in ATtiny412s, aimed at factoring a 16-digit number.

A Tiny Sieve | Lehmer's Math Machine in ATtinys

Another gimmicky EE businesscard. But engineered to be actually (sort of) practical.

NFC powered synth businesscard

From a hand-drawn waveform to a working PCB: an engineer’s evaluation of language models as analog and mixed-signal design assistants

Hardware Design with LLMs

Explore the computer byte with this educational easy-to-solder kit. Toggle in 8 bits and see their decimal, hex or octal value. With game!

8-bit Workbench ED: hands-on with number systems