Recent Projects

Offline vector-map GNSS navigator and track logger on STM32U585 + e-Paper. No routing, no internet, built for days on three AA cells.

PurrGO - ultra-low-power GPS navigator

Control your radiant floor heating system (and much more) with Home Assistant

ControlBox

anton-verburg Anton Verburg

A keychain-sized toy running Google's T-Rex game gets a second life. Upgraded from ATmega88 design, this version uses CH32V003 MCU

tRexRunnerNano

daniel-knezevic Daniel Knezevic

Server-side access control with ESP32 readers, fingerprint, NFC, and an Android phone key. The reader only relays, the server decides.

Kindly Identify Yourself

strangerand strange.rand

Hardware-backed secure RTOS for microcontrollers without MMU

CMRX real-time operating system

eduard-drusa Eduard Drusa

Standalone open-source board bring-up station: dual programmable power: up to 48V/3A, current monitoring, diagnostics, In 5–90V DC or USB-C.

DOGS² — Dual Output Generator Supply Station

Exactly like the original hobby magazine title says ("You Make a TIM-011 Too") - just with a slight delay of 35+ years...

Napravi i ti TIM-011

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

THE ULTIMATE MINI ARCADE

srrubio SrRubio

ZRCar is a browser-controlled robotics platform powered by free ZROS firmware. We handle all the boilerplate, you build what you want!

Lego video streaming ZRCar featuring free ZROS

zoneroboticsmichael zonerobotics.michael

When traveling internationally/intercontinentally we often need power socket adapters. Here's a cheap easy option.

Easy travel power hack

A carrier to connect a M.2 Board to USB breaking out all other signals to TH testpoints

M.2 A-E Key Simple Carrier Board

An ESP32-powered desk gadget with six round displays, with one touch its start spinning.

YUMO Roulette — A "Floating" Spinning Desk Gadget

yumobuilds YUMO.BUILDS

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

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

7-segment displays A hand-bent brass wire sculpture, clock powered by ESP32-C3 with NTP time sync.

YUMO GLOBE - Digital Clock

yumobuilds YUMO.BUILDS

An RP2350 replaces the undocumented controller in Apple's UniDisk 3.5 and drives the stock Sony 800K mechanism on a drop-in PCB

Disk Hamr: A UniDisk 3.5 controller

robert-rico Robert Rico