Recent Projects

A DIY, terminal-first cellular communication device designed as a personal network terminal rather than a modern smartphone.

TERMINUS: A Terminal-Style Phone For The Geek

bolan-xu Bolan Xu

This is an independent practical benchmark suite for evaluating AI LLM systems on tasks that resemble real technical work

REAL-AI-Benchmark

Reactive RGB LED lights for Inline Skates

Accel-Lights for Inline

Protect custom tool battery packs from over-charging.

Battery Pack Over-Charge Protection

Building a mechanical television with parts only from the 1920s. Focusing on simplicity.

Mechanical Television - only 1920s parts

paul-kocyla Paul Kocyla

A strange and crazy FPGA handheld: iconic computers squeezed into a perfectly fitted Game Gear shell with custom HDMI hack

Amiga and Commodore 64 Go Portable Thanks to FPGA

Layer-0 KVM-over-IP on Radxa Zero 3W. I convert raw BIOS video into interactive SSH text streams for low-bandwidth remote management.

USBridge-KVM 2.0: BIOS-to-Text & L0 Infrastructure

10,240 independent oscillators · 1-sample latency · 0.001 Hz resolution

FPGA Spectrum Engine

tsuneoohnaka Tsuneo.Ohnaka

Third generation of a headlamp for harsh underground environment

DarkStar Mk.III

jakub-kaderka Jakub Kaderka

DIY one‑pixel camera: photoresistor, two steppers, and very long exposure time.

One pixel camera

ESP32-based UPI QR payment system with TFT display for small vendors and automated machines, enabling quick and easy digital transactions.

ESP32 UPI QR Payment System

himanshu-dada Himanshu Dada

BK7258 is connected to 2x2.16" 480x480 AMOLED, one L1+L5 frequency band GPS module, and one SIM7670G 4G module. And 4 sensors.

Triple M33 low-power portable display

eleclab ElecLab

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

Muon Oracle

allan-binder Allan Binder

SRAM Emulator and SD Card Interface for Vintage Single Board Computers (such as the Heathkit ET-3400, Lab-Volt 6502, and Microprofessor)

PicoRAM Ultimate Rev. 2

michael-wessel Michael Wessel

The ESP8266 Programmer is a compact breakout board designed to simplify firmware uploading and serial communication for ESP8266 modules (suc

ESP8266 Programmer Board (USB-C Based)

electronicsworkshops

local dashboard to visualize environmental data in real-time on a Pi 5

Raspberry pi 5 Environment sensor: Waveshare Hat