Recent Projects

Universal industrial I/O controller with relays, analog/digital I/O, Modbus & OPC-UA support. Powered by Raspberry Pi.

SigCore UC - Universal Controller

Stores solar energy in supercaps to deliver 24V bursts—even after days without sunlight.

Supercapacitor Solar IoT for High-Power Actuation

Browser-based PCB reverse engineering suite. Digitize boards from photos, map components, trace nets, and stitch images. 100% Local-first.

PCB ReTrace

dev-lab dev-lab

Reading temperature accurately while siphoning power from the NFC field in a keychain compatible form factor

NFC_temp - passive NFC thermometer

I find a timestamp on printed models useful when iterating designs. I can then easily find the newest from a bunch of prints.

OpenScad timestamp

A NAS server in the form factor of a smarthome control panel

The NAS Unlike Any Other

Track your software product development from PVD to SDD to HLRs to LLRs to STP

TraceR: A Software Traceability Tool

john-anderson John Anderson

A 4096-ch MCA for gamma spectroscopy. i.MX RT1010, external ADC via DMA, SiPM bias supply. Open hardware. Launching on Crowd Supply.

GadgetSci MCA

A super simple solar motor anyone can build in minutes.

A Contemporary Radiometer

andrea-console Andrea Console

A fully featured, open-source USB Power Delivery protocol/power analyzer and programmable sink for testing, logging, and debug.

Dr. PD USB-PD protocol analyzer

marco-tabini Marco Tabini

BK7258 is connected to 2x2.16" 480x480 AMOLED, one L1+L5 frequency band GPS module, and one SIM7670G 4G module. And 4 sensors.

BK7258 240MHz+2x480MHz low-power IoT platform

eleclab ElecLab

ESP32 E-Ink watch that can run solely on solar power

LightInk

this non-invasive module turns a cheap solar controller into a more intelligent power management station

SolarCtrl

Sustainable* electricity you make yourself! *for as long as you're willing to sustain.

Practical Power Cycling

alnwlsn alnwlsn

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

THE ULTIMATE MINI ARCADE

srrubio SrRubio

What if you could run an entire automated greenhouse, a security network, and a heavyweight AI Edge Cluster without plugging into the wall?

Springhouse