Recent Projects

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

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

A two-part, localhost-only toolkit for algorithmic self-research.

Mark Interceptor

jack-leighton Jack Leighton

Protogen fursuit head with flexible led panels

Protogen head

Discovering what this undocumented high voltage amplifier can do, and how it works.

Discovering a HV Amplifier Mystery - The CRC 260-3

collin-matthews Collin Matthews

Affordable AND useful digital logic design. Finally.

The Crystal Board

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

LoRaWAN IoT system with the Arduino MKR WAN 1300, that help my community to monitor the air quality and water of our ecological area

Environmental Toolkit for an Ecological Area

guillermo-perez-guillen Guillermo Perez Guillen

two Apps specifically designed for "foam cutter" 4 axis CNC.

Wing Hot Wire CNC foam cutter & Gcode streamer

jp-gleyzes JP Gleyzes

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

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

Mechanical Television - only 1920s parts

paul-kocyla Paul Kocyla

Gamma spectrometer using scintillation crystal, Silicon Photomultiplier (SiPM), and all-digital FPGA signal processing

Silicon Photomultiplier Gamma Spectrometer

robert-gawron Robert Gawron