Recent Projects

An easily reproducible and compacted iteration of my first Raman build. Using a surplus spectrometer, cheap laser and high-quality filters.

CubeRaman: 3D-Printed Raman Spectroscopy

Physics-accurate analog TV simulator for iOS/macOS. Models full broadcast chain from camera tube to CRT. Not a cheap "filter app"

AnalogTV

alastair-bor Alastair Bor

A Macintosh Plus emulator port for Cheap-Yellow-Display board (ESP32), with some little 68k Mac applications.

Cydintosh

Using NFC RF energy harvested from a phone tap to submit commands and start a microcontroller. No standby power.

Harvesting NFC Energy to Transmit Commands

powerTimer acts as a high-efficiency gatekeeper for your electronics. By reducing idle consumption to a few nanoamperes, it extends the life

powerTimer: Forget Charging. Sleep in Nanoamperes.

juan-flores Juan Flores

Work = Geometric Asymmetry × Magnetic Flux Density replacing the brute force Energy = Current×Voltage

PMM PMG COMBO

alan-cyr Alan Cyr

Bring the Excalibur 64 back to life

Excalibur 64 The Recreation

Advance Power Delivery trigger that is designed up to 48V. The full 240W spec of USB PD 3.1 with EPR and AVS!

RotoPD Pro - USB-C 240W Breakout I2C

Classic arcade with all the latest technological advancements, ready for the classics. Enjoy!

THE ULTIMATE MINI ARCADE

srrubio SrRubio

Building a Pen Plotter with automatic toolchanger with components from an old RepRap style 3D Printer. Runs on Klipper.

Limn: Pen Plotter with Toolchanger

prashant-sinha Prashant Sinha

I've had a number of 8060s with failed displays and always wanted to design a replacement... so I did!

Fluke 8060a Custom LCD

ogdento ogdento

A low cost robotic hand for robots and humans

Yeah Robotic Hand (formerly Rebelia)

vittorio-lumare Vittorio Lumare

A simple circuit that can work as a crystal radio (no power needed) or as a regenerative receiver for the FM broadcast band

When a crystal radio meets a regen receiver

andrea-console Andrea Console

The system displays real-time weather data including radar maps, cloud coverage, rain intensity, and detailed multi-day forecasts

ESP32 Weather Dashboard with Satellite Maps

mircemk mircemk

The Remote Linux Manager is a robust, multi-threaded GUI application designed for centralising the management, monitoring, maintenance

Remote Linux Manager

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

A Pocket Digital SINAD Indicator Using ESP32