🌏 Detecting seismic wave using 3 geophones and 3-axis accelerometer, pack & send data to AnyShake Observer over RS232 / RS485 serial.

A collection of 68k computer projects, including a unix-like operating system written in C that runs on them

Nuclear radiation sensor with ionization chamber as a detector. Hard to make, IMHO inferior to semiconductor detectors.

Hardware/Firmware of HIDMorph, a lua configurable HID translation/generation device

Meshmerize MicroMouse Project

a compact, cheap gas sensor with RS-485 connectivity

the signals on the bus go blink, blink, blink

Various hardware projects that do not deserve their own repository.

Sun drying emulation controller for biltong and other dried foodstuffs.

KiCad circuits and PCBs

Line Follow Train / Caterpillar

Embedded platform developed at Preh Portugal to integrate automotive HMI key-testing systems in production environments

Auto Disinfection System / Clean Way

A compact signal generator (sinus, triangle, square) with tunable frequency project implemented in C with a custom PCB. This repo contains the firmware, PCB files and a project report describing the design, implementation and test results.

Przenośny rejestrator temperatury, ciśnienia i wilgotności względnej powietrza, zapisujący pomiary na karcie micro-SD.

Serial communication board

DIY all-in-keyboard computer featuring Z180 and floppy drive

Motor Health Monitoring PCB designed using KiCad. This repository contains the complete hardware design including schematic, PCB layout, custom libraries, manufacturing files, and design reports. The project focuses on condition monitoring of electric motors using multiple sensors. Firmware will be added in a future update.

Improved ZAK180: DIY all-in-keyboard computer featuring Z180 and floppy drive.