Recent Projects

This project implements a classic PDP8e (circa 1973) in an FPGA. The project is written in verilog, Front panel is included

PDP8e recreated in an FPGA

Open-Source Music Exploration Terminal based on M5Stack TAB5(ESP32-P4).

M5MusicTab5

Cubit-scale interlocking formwork from a backyard micro-factory. Core CAD on Zenodo. CC BY-SA 4.0; CERN-OHL-S v2.

1CUBIT: cubit-scale formwork, micro-factory

michael-vredenburgh Michael Vredenburgh

Building a home hifi component from scratch was a very early dream. There was finally an excuse to do it.

Ultimate stereo amplifier

lion-mclionhead lion mclionhead

I'd like to build a teletype-style terminal using an Alphacom thermal printer and a decent keyboard that will work with any RC2014

MCU-less teletype terminal using Alphacom printer

Open hardware+firmware portable dual-purpose tribometer and penetrometer. Slip index = tan of hinge angle, to 0.01. Not ASTM/ANSI certified.

OpenSlip: open tribometer and penetrometer

michael-vredenburgh Michael Vredenburgh

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

XRX - eXperimental Research X

marcellus-pereira Marcellus Pereira

Aim of the project is to analyse how the grinder in question works, to recreate its standard functions, and to add some of my own

Fellow Opus, 2023 - reverse engineering attempt

The first truly personal device for kids — designed to grow with them from drawing sprites to writing C++

RCKid

Home_LAB

rhea-rae Rhea Rae

Teacher taps iPhone to start/end class; students tap RFID cards to check in — REYAX RYRR30D logs it all live to Google Sheets.

Tap-In Attendance: Apple Wallet & RFID Classroom

rohan-barnwal Rohan Barnwal

Puzzling a Multitech Microprofessor board together with just some photo's and a ROM dump.

SGB-MPF-I Sound generation board reconstruction

fjkraan fjkraan

Modern replacement board to provide power and video to the NES.

Link to video

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

68020 processor board renovation

STEbus 68020

A drag-and-drop CAD package that is an open source, local application alternative to TinkerCAD

CaDoodle: Doodle in CAD!

kevin-harrington Kevin Harrington