Two self made LED down-lights, each with four 10mm high-intensity LEDs.
LCD unit driven by a computer parallel port
Very simple LCD unit with almost no external components, driven directly by a computer printer port.
Intruder alarm system controller — AVR
A simple intruder alarm controller I build and used in my old apartment. Uses an AVR ATtiny2313 microcontroller.
Status panel for the Rack box project
A desk panel box full of LEDs, buttons and switches. Built for the rack box project.
Emergency LED strobe, AVR controlled
33 high intensity LEDs are controlled with a AVR ATtiny2313 microcontroller. Four flashing patterns that can be set manually or cycle through. Uses an AVR ATtiny2313 microcontroller.