Recent Projects

We restore an HP 115BR divider and clock. Its atomic-driven 1 second tick famously sync'ed the world's second in 1964.

HP 115BR, the clock that once sync'ed the world

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

yet another attempt making 8-bit RISC CPU from TTL logic.

8-bit RISC CPU from TTL logic

I bet you wouldn’t have guessed this Colorful Carousel was made entirely using PCBs

Colorful Carousel

rambros RamBros

Simple AA powered device uses a 555 and linear feedback shift register to create a pseudo-random twinkling tree.

Blinky Tree Desk Trinket

Christopher Kratz

Updated KISS TNC based on ESP32.

ESP32 KISS TNC V1.1

Pi Zero 2w mini DLNA Server for use on home wifi or on a phone hotspot

Pi Zero 2w Mini DLNA Server

An interface between Yamaha digital piano pedals and a computer

Yamaha Pedal Unit Interface

goakley goakley

It just sits there and pretends to be an aircraft at night.

Abstract Aircraft Sculpture

the-baiko The Baiko

45 year old HP Logic Probe is too slow for modern electronics, so I hacked it with a Sparkfun Alorium FPGA board and display

HP Logic Probe Hack

robert-morrison Robert Morrison

Open Source Hardware GNU/Linux PowerPC Notebook project

OSHW GNU/Linux PowerPC Notebook

roberto-innocenti Roberto Innocenti

RC motors are often difficult to start... An engine spark plug heater may be needed!

RC radial engine spark plug heater

jp-gleyzes JP Gleyzes

Raspberry Pi Pico(2)(w)-based development tools for NFC, UHF RFID, LF RFID, Sub-1G, IR, BLE, WIFI, etc.

RP-Geeker

这是一款桌面小型激光切割机，可以直接连接Lasermaker 软件使用。主要针对创客教育，K12教育，高等院校，以及家庭创客使用。采用455nm蓝光半导体激光发射器，激光功率10W，最大可一次切割8mm厚的椴木板。由于采用的半导体激光发射器采用了风冷技术，免去水洗，主打便携。

Destop small laser cut machine

wilsonzhang wilson.zhang

Building a prototype Autonomous Mobile Robot (AMR) to apply ROS 2 and SLAM concepts in a real-world environment.

Indoor Autonomous Mobile Platform

peter-wallhead Peter Wallhead

Offline speed camera detector designed for a hassle-free driving experience, while respecting your privacy.

Catchcam - Speed Camera Detector

ivan-vnucec Ivan Vnucec