Recent Projects

Write VHDL/Verilog and watch it run in app or as an hosted web service

HDLBoard

rune-langy Rune Langøy

A 32-game console on a custom dual-issue RV32IM CPU and a DE0-Nano FPGA, running DOOM, CP/M 2.2 and Chip-8 bare-metal

Retro Gaming Console on RV32IM CPU (DE0 Nano FPGA)

mjagadeesh97 M_Jagadeesh97

I want to be DIY Aphex Twin

DIY Modular Analog Synthesizer

andrzej-arszulowicz Andrzej Arszulowicz

Cold storage monitoring looks simple from the outside. A temperature sensor, a gateway, a dashboard.

Cold Storage IoT Embedded Product Development

himanshu-dada Himanshu Dada

The atomic force microscope for the masses

A working DIY atomic force microscope

luis-mestre Luis Mestre

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

A drop-in replacement mechanical keyboard for the Atari 400's membrane, that respects the unique design of the computer

Decent400

bertrand-le-roy Bertrand Le Roy

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 - Digital Clock

yumobuilds YUMO.BUILDS

An ESP32-powered desk gadget with six round displays that appears to spin without any visible axle — the trick is mounting the frame on the

YUMO Roulette — A "Floating" Spinning Desk Gadget

yumobuilds YUMO.BUILDS

What if Commodore had never gone bankrupt and Amiga development had never stopped?

Project Ceylon: What If the Amiga Never Died?

A homebrew 65C02 with logic-built VGA, stereo sound and SD storage. From breadboards to PCB, with a browser emulator to explore.

3RIC: A Homebrew 6502 Computer, Built to Learn

ebadger ebadger

New cut on an old idea

2026 Mobile Compute Station

curtis-soldano Curtis Soldano

Sound recognition that runs on the device. Works with Home Assistant, Meshtastic, or your own software.

IronEar - Sound recognition sensor Meshtastic/HA

Building a Raspberry Pi robot one step at a time to explore robotics, inspire learning, and support ham radio outreach.

Bezalel (Bez): Ham Radio Public Service Robot

bob-fike-and-team Bob Fike and Team

Parametric 3D CAD with STEP/IFC support and a local MEDUSA engine for booleans. Your models stay on your machine.

NASSCAD — Browser CAD with a Local MEDUSA Engine

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