Recent Projects

A 3D-printed string instrument whose sound box is a party balloon. Inflate more or less to change the resonance. No tools, no glue.

Balloon Banjo: A Tunable Resonator You Inflate

cocreation-lab Co:Creation Lab

Documenting all the mods I'm building for my Golf R

Car Mods

poorna-k Poorna K

A (steel) pipe climbing robot to improve Meshtastic radio reception in an apartment block

Meshbot: pipe-climbing robot

robert-wallhead Robert Wallhead

Almost everyone has seen images/videos of Theo Jansen's walking machine, the "Strandbeesten". Here I want to look at a simplified version.

Walking Machine

agpcooper agp.cooper

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 leftover project for leftover chips

8 pin MCU temperature and humidity meter

ken-yap Ken Yap

A desktop lamp that is hackable, customizable and looks good. Add small magnetic modules for infinite functionality.

SateLight - A customizable, modular desktop light

Transform your Raspberry Pi Pico 2 W into a USB to Bluetooth Audio Adapter. Support LDAC, AAC, LHDC and full Airpods support!

USBPods — Pico 2 W to Bluetooth Audio Adapter

Built the tricorder I actually wanted in the field: one that warns, not just measures.

ATLAS

apollo-timbers Apollo Timbers

The GGreg20_V3 Ionizing Radiation Detector is a new-generation ready-to-use device with an SBM-20 Geiger tube and pulse counting output

GGreg20_V3 Ionizing Radiation Detector

iot-devices-llc IoT-devices, LLC

The Starship Galileo Gemini Class, SD 82 AI vetted & co Authored by the Gemini AI & Kimi 3 AI Graphene mass production-zero power Mini Moons

The Gemini Protocols for Deep Space Travel

archer-quinn Archer Quinn

Can a simple homemade light logger capture a solar eclipse? I built one and took it wild camping on the moors to find out.

Measuring a Solar Eclipse with an LDR

tom-green Tom Green

A custom 2-layer PCB designed around the STM32F103C8T6 microcontroller

STM32 Custom Breakout & Development Board

Radiation measurement device with Raspberry Pi Pico and STS-5 tube

Geiger counter

florian-wilhelm-dirnberger Florian Wilhelm Dirnberger

A custom industrial 2-layer PCB designed around the STM32G0F6P6 microcontroller.

STM32 Reverse Osmosis Controller (ROC) Board

A Python data pipeline using the FastF1 API to analyze lap telemetry and generate 2D spatial track heatmaps.

F1 Telemetry & Speed Profile Plotter