Here you’ll find a few direct links to important content of this page:
- Unix Shellprogrammierung – an introduction, unfortunately german only.
 
Electronic projects:
- USB-LED-Fader – Fading LEDs via USB-Port
 - USB-Servo – Driving a servo via USB-Port
 - Binary DCF-77 Clock – Radio controlled clock with binary display
 - I2C-Dimmer – Blackbox for dimming LEDs
 - Dulcimer – Converting an old keyboard to USB
 - Etching PCBs – How to make own printed circuit boards
 - I2C-LED-Matrix – Blackbox for driving many LEDs
 - Fotokiste – A photo booth i built for our wedding