Recent Projects

Create in 1972, the Model 832 was designed as a training device to teach both digital electronics and computer operations.

NRI Model 832 Digital Computer Reproduction

michael-gardi Michael Gardi

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

Mechanical Television - only 1920s parts

paul-kocyla Paul Kocyla

Real-time speech-to-subtitle tool powered by whisper.cpp. Captures microphone audio in short chunks, transcribes and translates it

Spider Subtitler

4S UAV Quad W/ 3D Printed Frame utilizing a Pixhawk 6C Controller

UAV

rhea-rae Rhea Rae

A fully featured, open-source USB Power Delivery protocol/power analyzer and programmable sink for testing, logging, and debug.

Dr. PD

marco-tabini Marco Tabini

A puzzle game played with the key.

Key Panic !

tokaken tokaken

My watch runs off "disposable" lithium cells. I retrofit it to run like a grandfather clock: weights and gravity.

Gravity-Powered Digital Clock

A standalone ESP32-based SINAD indicator with FFT and waveform monitoring for practical receiver evaluation.

A Pocket Digital SINAD Indicator Using ESP32

There are multiple ways to add floppy-sized storage to the Epson PX-8 or PX-4 computers. PFBDK offers a cheap, easy D.I.Y. solution.

PFBDK - EPSP floppy drive emulator

fjkraan fjkraan

The extension board with switches, buttons, leds, VGA output and general interfaces.

Evaluation board shield for Tang Nano 9k FPGA

Leveraging the Programmable Power Supply (PPS) of USB PD 3.0 to make an ultra-compact bench power supply

PocketPD - USB-C Portable Bench Power Supply

This project documents the progress of my ROS2 rover build. Plans: Mow, sweep, remove weeds in yard, snow removal and spread grit.

Multi purpose autonomous rover

Automated Pressure Advanced Calibration for FDM 3D printer

Auto PA for 3D printer

A scalable multilayer charging station for 18650, and possibly even other battery types.

18650 Charging Tower

Jumperlink is a board designed to make electronic connections easier to set up, maintain, and share compared to traditional jumper wires.

Jumperlink: A Smarter Way to Connect Electronics

dylan-zheng dylan zheng

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

BK7258 240MHz+2x480MHz low-power IoT platform

eleclab ElecLab