Recent Projects

A low-cost and accurate tool for analyzing the power consumption of ultra-low power and IoT devices with rapidly changing current usage

MetaShunt: High Dynamic Range Current Measurement

My grid-tie solar system is inherited. There is no need to subscribe (and pay) to get data.

Solar Electric System Monitor

bud-bennett Bud Bennett

A full-featured Forth-based RTOS for ARM Cortex-M

zeptoforth

travis-bemann Travis Bemann

A low-cost ion exchange membrane from off-the-shelf materials, plus open electrochemical cells that recover metals from waste.

Open-Source Off-the-Shelf Ion Exchange Membrane (SEM TECH)

robert-karas Robert Karas

Computer Aided Cardboard Aided Design: grab a cardboard mockup of your PCB before you commit

3D printable or laser cuttable KiCad PCB mockups

elvin-luff Elvin Luff

I'd like to build a teletype-style terminal using an Alphacom thermal printer and a decent keyboard that will work with any RC2014

MCU-less teletype terminal using Alphacom printer

Waste plastic turned into raw material for 3D printing.

Direct Granules Extruder, FDM prints from powder

norbert-heinz Norbert Heinz

A project about diy lockpicks

Making Improvised Lockpicks

discountdeadcats

Open-Source Music Exploration Terminal based on M5Stack TAB5(ESP32-P4).

M5MusicTab5

Exploring a human-AI memory environment that preserves dormancy, disagreement, provenance, and rediscovery instead of forcing convergence.

From “Second Brain” to a Living Memory Environment

A ground-up custom game controller built from a breadboard prototype into a custom-designed and fabricated PCB, with low-level firmware and

Electric Shock

Kumaran Chandrashekar

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

Pocket-sized foldable cyberdeck. Pi CM4/CM5 + ESP32-S3 share one 1024x768 DPI screen through a 22-line discrete bus MUX. All custom PCB.

TypixDeck

A new version of this handheld with less power and more capabilities

Tinycorder V3

victor-barahona Victor Barahona

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