Recent Projects

Explore the computer byte with this educational easy-to-solder kit. Toggle in 8 bits and see their decimal, hex or octal value. With game!

8-bit Workbench ED: hands-on with number systems

Embedded development by AI, with you watching every byte.

xtell-serial

The Hardened Open-Source RTU for Professional Environmental Logging & AgrotechEcoLogger ESP32 is a scientific-grade, open-source development

Eco logger ESP32

A puzzle game which runs on VIC Dual hardware

Samegame (VIC Dual)

louis-paul Louis Paul

It is 50 years since the release of 8085 microprocessor and tinyBASIC. Let's make something together to celebrate!

Eighty-EightyFive

Where we harness the power of AI and OpenSource to spin a new generation of LambdaSpeak 3 for the Amstrad CPC # RC2026/10 Entry! #

LambdaSpeak 4 aka LambdaSpeak AI

michael-wessel Michael Wessel

An ESP32-S3 as USB host to a retro handset, plus a tiny SIP client. Big lit buttons call family through your own Twilio account.

Toddler Phone That Calls Grandma

allan-binder Allan Binder

Two NDIR CO2 nodes (SCD30 + XIAO ESP32-C3, ESPHome/HA) built so a dead sensor reads unknown and raises a fault, never a flat number.

CO2 Monitor That Fails Visibly

bill-collis Bill Collis

This project enables the Digital Equipment Corporation Tiny-11 (single chip PDP-11) to boot and run RT-11 with only a RP2350.

T-11 with RP2350 as memory and peripherials

A pocket-sized digital reel-to-reel with exquisite tape-like control of sound over time

Tweacman: a sample scrubber & WAV audio player

Check the drift over time of the monitor + cuff assembly.

Blood Pressure Bench

General-purpose open-source dual-arm mobile manipulator for embodied AI. Teach it by demonstration: show, correct, judge. rc.1: 20 Nov 2026

OpenAMRobot 2.0 - teach a robot, don't program it

alex-reznichenko Alex Reznichenko

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 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