Recent Projects

compact, energy-efficient, battery-powered system for ePaper-based display of information gathered via Wi-Fi

Tinta - low power wireless epaper device

A 1,216-parameter transformer written entirely in HyperTalk, trained overnight on a Macintosh SE/30.

MacMind: A Transformer Trained in HyperCard

Pocket ESP32 device that paces Morse code and broadcasts a peerless 2.4GHz distress beacon

SIGNAL:Pocket Morse Pacer & Emergency Beacon

USBSID-Pico is a RPi Pico (RP2040/W RP2350/W) based board for interfacing one or two MOS SID chips and/or hardware SID emulators over (WEB)U

USBSID-Pico

Handheld AM / FM / SW receiver on ESP32-S3 and SI4732. SSTV, Morse, RSSI homing, and a web remote.

I Built a Radio That Turns Signals Into Pictures

Number sieves are machines that outran computers, 1920s-1990s. A 1982 design in ATtiny412s, aimed at factoring a 16-digit number.

A Tiny Sieve | Lehmer's Math Machine in ATtinys

Eight ring oscillators, two latches and an STM32G4: 50 kB/s of conditioned randomness, with the SP 800-90B measurements to back it up.

Yet Another TRNG with Ring Oscilator

bartomiej-arnowski Bartłomiej Żarnowski

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

THE ULTIMATE MINI ARCADE

srrubio SrRubio

CinderClock is a programmable desktop clock. Designed to handle practically all your time related needs in one, standalone package.

CinderClock

aqnazar-arysbek Aqnazar Arysbek

That project is a connected button which, when pressed, send a SMS to people. It’s used by my son, to text me when he’s back from school.

Ma, I’m home

grgory-paul Grégory Paul

Grating-based VIS-NIR Spectrometer: Customizable for spectral range, resolution, SNR, and detector options aided by a software design tool

JASPER: VIS-NIR SPECTROMETER

tony-francis Tony Francis

Satellite Systems Simulator | Open Source | Accurate | Fun

Space Systems Lab

arnav-v Arnav V

This is an 8 bit vacuum tube computer I built using recycled 1950s 6N3P double triode tubes I found in Eastern Europe a few years ago.

Vacuum Tube Computer

A freeform brass wire sculpture featuring a round capacitive touch screen, 6-axis IMU auto-rotation, and reactive led filaments.

YUMO SMART CUBE: Touch screen/ESP32-S3 Brass Wire

yumobuilds YUMO.BUILDS

A hand-bent 1.5mm brass wire clock sculpture powered by ESP32-C3 with NTP time sync, hardware-multiplexed 7-segment display, and 5-stage SK

YUMO GLOBE

yumobuilds YUMO.BUILDS

Tiny ESP32-C3 desk gadget with OLED, live weather sensing, proximity glow & a phone-controlled web interface.

YUMO PULSE — ESP32-C3 Desk Gadget

yumobuilds YUMO.BUILDS