Recent Projects

Most weather devices tell you what's happening outside. PrismCube lets you feel it.

PrismCube — Bringing the Sky to Your Desk

the-spanner The Spanner

X/Y Plotter for high wattage UV LEDs to expose Cyanotype and other printing methods.

Analog Pixel Art: DIY Cyanotype Printer

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

Z80 + RP2350B ZX-compatible homebrew retrocomputer

Operating system from scratch for STM32F7 (ARM Cortex-M7)

Bare-Metal Operating System for STM32F7

A reconfigurable EOL + regression test bench: a Pi, a stack of HATs, and Robot Framework. Change what it tests by changing the HATs.

A Configurable Raspberry Pi Hardware Test Bench

A Raspberry Pi powered telescope that can stream the footage to your smartphone

Astra - A smart digital telescope

immurok is a small wireless fingerprint authentication device for Mac and Linux desktops

immurok - a wireless fingerprint auth key

Air Sense is a smart IoT air purifier that monitors indoor air quality in real time and automatically removes harmful pollutants

AirSense - the Smartest DIY Air Purifier

next-builder Next Builder

A diy Battery-like AA battery tester.

B.A.T.T.E.R.Y - A diy battery tester

A tiny FPGA-resident programmable sequencer that controls time and space directly

PTSG — Programmable Timing Sequence Generator

tsuneoohnaka Tsuneo.Ohnaka

A modular, repairable remote station for amateur radio — open hardware, built almost entirely AI-assisted.

OE5XRX — Open-Source Modular Remote Ham Station

peter-buchegger Peter Buchegger

A homemade heavy duty AZ/ALT mount for optical tubes and RF payloads

Telescope mount

What started as a regular AA battery turned into a 470Wh giant Duracell built completely from scratch.

DURACELL Max

arnov-sharma Arnov Sharma

A software flip clock with real-time weather, automatic location detection, and cross-platform support.

Flippy Clock + weather

N64 Arcade Table with 4 Screens and Splitscreen Multiplayer. Custom arcade Controller with different control options.

N64 Splitscreen Arcade Table

florian.bednarz

Low-Latency Parsing of Market-Data on Hardware

FPGA ITCH Parser