Recent Projects

Building a Pen Plotter with automatic toolchanger with components from an old RepRap style 3D Printer. Runs on Klipper.

Limn: Pen Plotter with Toolchanger

prashant-sinha Prashant Sinha

A tiny device that writes code, takes breaks to hang out on a BBS, and clocks out at night

TinyProgrammer

cuneyt-ozseker cuneyt ozseker

Can an ab roller propel a human like a motorcycle if fitted with an engine?

Motorized Ab Roller (2025)

human-controller Human Controller

A retrosystem based on the elegant 8/16 bit 6809 processor capable of running UniFLEX and OS9 level II multiuser/multitasking OS

6809/6309 Eurocard CPU System

roelof4 roelof4

FPGA-based NN accelerator for MNIST digit classification using a 100% open-source toolchain: Yosys, nextpnr, and openFPGALoader

Neural Network Accelerator on ECP5

uttam-kumar Uttam Kumar

Open source serial adapter / reboot controller for Apple Silicon Macs

Central Scrutinizer: a serial adapter for M1/M2/M3

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

THE ULTIMATE MINI ARCADE

srrubio SrRubio

Cheap, easy to fabricate, robust to throwing

Low-Cost Fiducial-Based 6-axis Force-Torque Sensor

Quad-tube Geiger coincidence detector that uses cosmic ray muons as a true hardware RNG and decision oracle.

Muon Oracle

allan-binder Allan Binder

Motorized Ab Roller (2023)

human-controller Human Controller

Motorized Ab Roller (2024)

human-controller Human Controller

In-Situ Synthesis of Conductive Nanomaterials via Tool-Changing system on an FDM corexy 3D printer.

Hybrid MicroElectronics-Factory 3D Printer

An open-source Software Defined Vehicle platform. Edge-first, offline-capable, from microcontroller to mobile app.

TrailCurrent - Wilderness. Wired.

dave-floyd Dave Floyd

Control the LED with an Android App

BLE Blinky on ESP32-C3

canhobbyca CanHobby.ca

An electronic candle that switches off when you blow on it. No moving parts, no microcontroller; just old-style analog circuitry.

Blow Out an Electronic Candle - The Analog Way

andrea-console Andrea Console

Compact USB PD-powered Reflow soldering table with BLE control via browser.

USB PD Reflow micro table