Recent Projects

A relay-based adder that performs arithmetic in balanced ternary trits. It can add two numbers in the range −13 to +13 per operand.

A Balanced Ternary Adder Built from Relays

jeroen-brinkman Jeroen Brinkman

A compact digitally controlled RF 1.8 to 28 MHz platform for HF amateur. DSP mod/demod and integrated FT8 QSO management.

ESP32 HF QRP FT8 Transceiver

guido-iw5alz Guido - IW5ALZ

Professional air quality monitor with Sensirion sensors, 4.3" touch display, and local Home Assistant integration. No soldering required.

Project Aura — Open-Source ESP32 Air Quality

A small portable and handy music sequencer built on Raspberry Pi Pico

Kuensa - A Handy Music Sequencer

Enjoy short circuit protection. Have both +3.3V and +5V at hand. Clearly separates data input and output of your prototype. With goodies.

Super Breadboard

An Open YOLO AI Camera Supporting vSLAM

OpenNCC V2

johanna-shi Johanna Shi

Gravity generator

Hourglass Generator

alan-cyr Alan Cyr

to be completed

StreetPoleEMS Energy IoT multiport Metered Edge

glenn-algie glenn algie

Play your favorite songs using a custom mini electronic keyboard!

Mini Piano

ritali-jain Ritali Jain

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

USB PD Reflow micro table

A Dedicated Hardware Kit for OpenClaw.

RobooPi Claw

johanna-shi Johanna Shi

Open-source, low-cost 10.5 GHz phased array radar with PLFM modulation; available in 3km and 20km range

Open Source PLFM RADAR. Up to 20Km Range

XRUIOS is a cross-platform operating system/development framework that enables devices to share data securely through an abstraction-layer.

The XRUIOS

Micro table to reflow small boards.

Reflow micro table (archived)

CS12

The TachyonCAN project is an automotive interface integrating a Particle Tachyon SBC with an Adafruit Feather RP2040 CAN

CAN HAT for Particle Tachyon SBC (or Pi)

elijah-radant Elijah Radant