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

A laser-scanned display where a strontium aluminate screen acts like a physical frame buffer.

Glow Engine

OCRd and typeset as html where possible. A work in progress.

Applix 1616 Documentation

An isolated firmware debugging probe

Grapple Probe

jonathan-herbst Jonathan Herbst

X/Y Plotter for high wattage UV LEDs to expose Cyanotype and other printing methods.

Analog Pixel Art: DIY Cyanotype Printer

Project a single image at long distance !

Pocket Single Image Laser Projector

Home_LAB

rhea-rae Rhea Rae

ESP32 Linky Teleinfo (TIC) to MQTT – Real-Time Home Assistant Integration

ESP32 Linky Teleinfo to MQTT – Home Assistant

jp-gleyzes JP Gleyzes

ZX Spectrum-compatible homemade retrocomputer based on Z80 CPU + discrete RAM and ROM + Raspberry RP2350B as ULA/chipset

Z80 + RP2350B ZX-compatible homebrew retrocomputer

Smart UPS Controller: Squeeze 2–5× More Runtime from Any Battery-Powered Device

Smart UPS Controller

universalgeek56

A Raspberry Pi powered telescope that can stream the footage to your smartphone

Astra - A smart digital telescope

Using the base-emitter junction of an NPN BJT transistor instead of an NTC thermistor.

A transistor instead of a thermosensor? Sure!

aleksei-tertychnyi Aleksei Tertychnyi

A quick attempt at disassembly

MSI-GMBH Z180 SBC ROM analysis

"Infinity Mirror Man" is a mystery.

Infinity Mirror Man

tokaken tokaken

USB connecting box

Calling! Connecticity!

tokaken tokaken

Bistable relay to control 12V device

RF433MHz bistable switch ON-OFF 12V module