Recent Projects

The family room computer, reinvented: a Raspberry Pi kiosk where physical RFID cards launch retro or modern edutainment and software

ChipBit - an RFID Card Driven Family Home Computer

Two board 6809 (or 63C09) computer that fits in to an Altoids Mint tin.

6809/63C09 Membership Card

An open-source loudspeaker architecture using internally retained pneumatic energy to reinforce the incoming half-cycle.

Dynamic Zero

mindaugas-mickus Mindaugas Mickus

Where I apply lessons learned to make a monitor for a 1970s era personal computer.

A Better Small CRT Like Monitor For Retro Projects

michael-gardi Michael Gardi

Full-featured NFC reader/writer & emulator supporting ISO14443A, ISO14443B, ISO15693 and FeliCa.

GroveNFC

This is an 8 bit vacuum tube computer I built using recycled 1950s Vacuum Tubes I found in Eastern Europe a few years ago.

Vacuum Tube Computer

Write VHDL/Verilog and watch it run in app or as an hosted web service

HDLBoard

rune-langy Rune Langøy

Another homebrew computer based on the MSX standard. But it uses a Z380 microprocessor.

XRX - eXperimental Research X

marcellus-pereira Marcellus Pereira

3D-printed robotic platform inspired by NASA’s Perseverance Mars Rover. Built using Raspberry Pi, ESP32, and Arduino development boards

Mars Rover Robot - Arduino/ESP32/RaspberryPi

pol-valero Pol Valero

Emulating the Small Scale Experimental Machine (SSEM) aka the Manchester Baby, the first computer capable of executing a stored program.

Small Scale Experimental Machine (SSEM)

Network/Server Lab

Home_LAB

rhea-rae Rhea Rae

Open-source USB-C wall display for PM2.5 air quality, built on Seeeduino XIAO SAMD21, with color LEDs, auto brightness, 0.1 µg/m³ steps.

USB-C wall display for PM2.5 air quality

aleksei-tertychnyi Aleksei Tertychnyi

Build A Computer Out Of Random Parts

BACOORP

Terminal monitor for SDR hardware with real-time spectrum, waterfall, and measurements

sdrtop

A hybrid deterministic netlist graph engine + AI vision to catch MCU strapping, charger traps, and PCB bugs before you fab.

Circuit Review: Automated Schematic & Netlist Lint

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