Recent Projects

Quad-tube Geiger coincidence detector that uses cosmic ray muons as a true hardware RNG and decision oracle.

Muon Oracle

allan-binder Allan Binder

Another room navigation robot

Roomie Bot

jacob-david-c-cunningham Jacob David C Cunningham

ESP32-C6 USB stick for Home Assistant: Bluetooth Proxy + air quality sensor. Open source ESPHome firmware. Extends BLE to garden & basement.

Air Quality Sensor Stick & Bluetooth Proxy

An outdoor, solar-powered cicada that harvests light through its wings and bursts into a buzzing call once enough energy is stored.

Screaming Solar Cicada

An Arduino UNO Compatible Board with isolated Glowing headers and some Extras

Uno Plus+

john-loeffler John Loeffler

I didn't have enough to buy a Lab Bench PSU... So I made one.

OPEN Power

john-loeffler John Loeffler

Automated Pressure Advanced Calibration for FDM 3D printer

Auto PA for 3D printer

Building a great sounding amplifier for your desk on the cheap

Amply - A $10 desktop BT amplifier you'll love

marco-tabini Marco Tabini

Can we rebuild it from scratch

Applix 1616

PiLab is an experimental browser-first PLC/HMI edge platform running directly on the ESP32-P4.

ESP32-P4 PLC/HMI Edge Controller

tonyfountaine tony.fountaine

Reactive RGB LED lights for Inline Skates

Accel-Lights for Inline

Possibly widest ever Soviet VFD clock - 128 IV-25 tubes! Claude wrote all the code. No human ever read or wrote a single line.

128 IV-25 tube VFD clock, Claude wrote all code

An operating system written in Java

How to build a Novel JavaOS?

Reverse-engineering (mostly-)cheap eBay finds

Avionics + mil-spec teardowns

don-straney Don Straney

A LoRa-linked noise monitoring system that tells you not just how loud, but which direction the noise is coming from.

AcuNode II - Distributed Directional Noise Monitor

omar-ahmed Omar Ahmed

Powersupply for raspberry pi that includes an UPS, power button function and remembers its last state

Raspberry Pi SuperCapacitor UPS with Power Switch