Recent Projects

My watch runs off "disposable" lithium cells. I retrofit it to run like a grandfather clock: weights and gravity.

Gravity-Powered Digital Clock

Simple and visual kids clock

Kid schedule clock

New cut on an old idea

2026 Mobile Compute Station

curtis-soldano Curtis Soldano

Open-source, low-cost 10.5 GHz phased array radar with PLFM modulation; available in 3km and 20km range

Open Source PLFM RADAR. Up to 20Km Range

Using NFC RF energy harvested from a phone tap to submit commands and start a microcontroller. No standby power.

Harvesting NFC Energy to Transmit Commands

A lightsaber inspired necklace and a more bejeweled alternative

Solar Powered Necklaces

colin-catlin Colin Catlin

Created in 1972, the Model 832 was designed as part of a training program to teach both digital electronics and computer operations.

NRI Model 832 Digital Computer Reproduction

michael-gardi Michael Gardi

Welcome to the most painfully niche thing I've created.

Solar Solenoid Controller - WellWatch

jesse-farrell Jesse Farrell

Building a mechanical television with parts only from the 1920s. Focusing on simplicity.

Mechanical Television - only 1920s parts

paul-kocyla Paul Kocyla

A modular analog computer. The modularity makes the system scalable and flexible.

Modular analog computer

marco-m Marco M

A small wagon to put your running stuff in and bring it along but also a place to sleep in at night for multi day adventures/trips.

Camperwagon 3.1 - Runnerwagon

zingo-andersen Zingo Andersen

Using the ESP32-C3 as the main controller and an MLX90640 or Heimann 5.0 thermal imaging sensor, it can connect to an AP hotspot and allow u

DIY portable rechargeable WiFi thermal imaging dev

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

Equation-Driven Pots is a generative design project that utilizes mathematical equations to create functional, 3D-printable plant pots.

Equation-Driven Pots

The extension board with switches, buttons, leds, VGA output and general interfaces.

Evaluation board shield for Tang Nano 9k FPGA

A sealed field radio with CRT terminal interface, physical controls and Spotify streaming. Built as a fully self-contained hardware device.

A-63 Field Radio

markus-httner Markus Hüttner