Recent Projects

It is a board that lets the Einstein computer emulate the Spectrum. Design by Tony Brewer.

Tatung Einstein Speculator analysis

A PCB stamp to add 140W Power Delivery 3.1 (PD3.1) to any I2C capable microcontroller!

StampPD - Up to 28V, 5A USB-C Power in a PCB Stamp

alec-probst Alec Probst

Container cheat sheet

lion-mclionhead lion mclionhead

A needed update to an older project.

A Slim 10x 100MHz-10MHz-1MHz Differential Probe

bud-bennett Bud Bennett

RNS on FPGA: Revisiting an Unusual Number System for Modern Signal Processing

Winter, FPGAs, and Forgotten Arithmetic

bertrand-selva Bertrand Selva

A hexadecimal display module for TTL designs

HexDisplayController

IO Expander for Arduino Uno

ArduinoExpander

Compact USB PD-powered Reflow soldering table with BLE control via browser.

USB PD Reflow micro table

Controller board to display 2 and 4 lines on LCD modules

LCD-DisplayController

reverse engineering and modeling of the KGM M4 Multi indicator display

KGM DISPLAY

A 64-knob virtual-analog synthesizer on Raspberry Pi Pico 2 — fully tactile, no menus, real-time control.

64-Knob Virtual-Analog Synth on Pico 2

hiroyuki-oyama Hiroyuki OYAMA

A small inline SAO with an RP2040 used to demo SAOs that require smarts, but do not have it built-in.

SAO DEMO Controller V2

andy-geppert Andy Geppert

A system designed to capture and collect energy from EMFs, now being refined to enhance circuit efficiency and output.

AEFC - Ambient Energy Field Converter

rhea-rae Rhea Rae

This project is meant for sharing info about this multimeter

Reviving a Philips PM2528 Digital Multimeter

dethmer-kupers Dethmer Kupers

Mechs are not viable, nor cheap, so I will try to design and build one alone anyway.

DIY Mech or Exoskeleton suit.

automated guided vehicle (based on raspberry pi pico w) for package deliveries

IDP—M212 AGV