Recent Projects

"One LOW in 128 HIGH Lines — A Public Domain ASCII Memory Architecture"

Single transistor holds full ASCII character

alan-cyr Alan Cyr

Manual Pick-and-Place for PCB aided by a grid of RGB leds that indicate what component to pick, always correct.

PIKKed — pick-to-light for hand PCB assembly

Systematically quantifying sleep behavior by capturing and analyzing how body weight is distributed across a sleeping surface over time.

Quantifying Sleep Positions With Body Weight

bret-bernhoft Bret Bernhoft

Magnetic Road Transport System for TT Scale Layout — DIY Control on ESP32

Magnetic Road Transport System for TT Scale Layout

Moving development to the RISC-V series of MCUs

A RISCy move

ken-yap Ken Yap

The Starship Galileo Gemini Class, SD 82 AI vetted & co Authored by the Gemini AI & Kimi 3 AI Graphene mass production-zero power Mini Moons

The Gemini Protocols for Deep Space Travel

archer-quinn Archer Quinn

A tiny ESP32-S3 desktop gremlin made from brass and PCB, with OLED eyes, motors, sensors, audio, and an AI-connected personality layer.

TongDou

solitary-dev solitary dev

Eight isolated 1-Wire branches, each electrically measured: cable length, distance to a break, and slow degradation.

OWB-8: Diagnostic 1-Wire Hub

A PCIe card that allows remote power control of a desktop PC via WiFi/Zigbee (no WOL)

Too Lazy To Press A Button, So I Built A PCIe Card

Not all projects are a success - Grit can only take you so far (so far)

X-Tek Revolution Stays Dead

ahron-wayne Ahron Wayne

DIY fully working Internet Radio Capable Of Streaming Internet Radio Stations From All Over The World.

Internet Radio with Bluetooth Audio Streaming

An educational operating system kernel that explains itself through built-in introspection instead of external debuggers.

Aevros

mobeen-ahmed Mobeen Ahmed

Circuit analysis of pacemakers, defibrillators, and neurostimulators

Medical implant teardowns

don-straney Don Straney

An interface that steers signals from Z80-based TRS-80s to utilize the Dino Boards RC2014 Turbo Z80 board, replacing the slow onboard Z80.

TRS-80 Steering CMTE

stephenagagne Stephen.A.Gagne

OCRd and typeset as html where possible. A work in progress.

Applix 1616 Documentation

These are circuits I developed in the 90's for my guitar projects.

Guitar amp proto with Expandable flip flop etc

alan-cyr Alan Cyr