Recent Projects

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

A Pocket Digital SINAD Indicator Using ESP32

An analog circuit made from scrap parts that manages a solar panel, lithium battery, and LEDs to create eco-friendly fairy lights.

Fairy Lights from Scraps

andrea-console Andrea Console

Enjoy short circuit protection. Have both +3.3V and +5V at hand. Clearly separates data input and output of your prototype. With goodies.

Super Breadboard

This is a proof-of-concept sub-project spun off from my main homebrew CPU project.

Pilot-1 CPU (ECM-16/TTL partial build)

The apparatus allows to take spectra of light sources in range from ~400 to ~1000 nm

DIY Optical spectrometer / spectrograph

Here are to be some experiments with crt tv.

Messing around with b&w crt tv

A sealed field radio with CRT terminal interface, physical controls and Spotify streaming. Built as a fully self-contained hardware device.

A-63 Field Radio

markus-httner Markus Hüttner

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

PMM PMG COMBO

alan-cyr Alan Cyr

Make Mini Capcom Arcade

Mini GAME Arcade

Custom MIDI controllers using CircuitPython and RP2040 Feather

MIDI Chord Synth Experiments

elijah-radant Elijah Radant

The TachyonCAN project is an automotive interface integrating a Particle Tachyon SBC with an Adafruit Feather RP2040 CAN

CANVISION CAN HAT for SBC (or Pi/Tachyon)

elijah-radant Elijah Radant

custom(izable) circuit for sending some megabytes over differential pairs.

miniMAC - Not an Ethernet Transceiver

yann-guidon-ygdes Yann Guidon / YGDES

E = mc² assumes rest.

Something wrong in this equation

alan-cyr Alan Cyr

Early IBM PC, software compatible, board renovation.

STEbus 8088 PC

Flexible Solar powered tiny Microcontroller

Redwood

Breaking Out the TDK IIM-42653: A ±32g / ±4000dps Industrial IMU

IIM-42653 Industrial IMU Breakout Board