🌏 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.

Meshmerize MicroMouse Project

the signals on the bus go blink, blink, blink

a compact, cheap gas sensor with RS-485 connectivity

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

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

Serial communication board

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.

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

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