Recent Projects

Theory of mathematical logic

Gate Arithmetic

gmez-mora-rodrigo-uriel Gómez Mora Rodrigo Uriel

Simple and cheap logic reader for PC with USB

Logic reader

Blinkenlights and vectordot graphics from 1959

Replica of the PDP-1: PiDP-1

Open-source Twin USB Host Switch x Triple Hub. 4-layer KiCad 9, STM32 C++ firmware & OLED telemetry. Housed in snap-fit MJF Nylon.

H₂H³ // Smart Twin USB Host Switch & Triple USB Hu

ZX Spectrum-compatible homemade retrocomputer based on Z80 CPU + discrete RAM and ROM + Raspberry RP2350B as ULA/chipset

Z80 + RP2350B ZX-compatible homebrew retrocomputer

SCINTIX P4 is a real-time ESP32-P4 module for the Raspberry Pi CM4/CM5 ecosystem

SCINTIX P4 - ESP32-P4 board - CM4/5 form factor

andrea-ricci Andrea Ricci

Electron is a multi-motor solid TVC rocket designed for vertical takeoff, hover, and landing using thrust vectoring.

Electron

kruthick-jothimani kruthick jothimani

An open hardware bench tool that plugs into your CI: sensor sim, CAN, analog I/O, power control, and a Python SDK with pytest integration

BenchPod

edward-viaene Edward Viaene

R909-Tester is a low-cost workshop instrument platform based on the Raspberry Pi RP2040 zero

R909-Tester: A Modular RP2040 zero Instrument

Log RFID card UIDs to Google Sheets in real time using the ESP32-S3-BOX-3, MFRC522, Wi-Fi, and Google Apps Script.

Build a Cloud-Based RFID Logger Using ESP32-S3-BOX

rohan-barnwal Rohan Barnwal

Build a touchscreen RFID scanner with the ESP32-S3-BOX-3 using LovyanGFX, displaying RFID card UIDs instantly on the built-in display.

How to Interface MFRC522 RFID Reader with the ESP

rohan-barnwal Rohan Barnwal

Cardboard servo-controlled Arduino robot that uses an ultrasonic sensor error to only activate in front of cloth

Cloth-detecting Shirt Folding Robot

chillPoint — handheld Wi-Fi reader for iButton temperature loggers

ChillPoint — Handheld Thermochron Temperature Mgr

geoffrey-wells Geoffrey Wells

"The display becomes a terminal. The computing happens elsewhere."

Hardware-Accelerated Display Streaming Decoder

Mobilized irrigation made to maximize biodiversity and minimize water use for crops

Terragenius - Mobile irrigation

Parametric 3D CAD + STL viewer that runs entirely in your browser from one HTML file. No install, no login, no server.

NASSCAD — A Free Browser CAD in a Single HTML File