A retro twitter wall (twypper)

A couple of weeks ago Jan came to me and asked me if I could build a special kind of … More

Arduino introduction in c't

Here is my very first article. It is published in c’t, one of the best known computer magazines in Germany. … More

Often, when I am tinkering with a controller on a breadboard, I have to open up the according datasheet, only … More

Here is the second incarnation of a Braitenberg vehicle. This one is almost half of the size of the previous … More

This is another breadboard compatible header board, that I am working on. This one is for all 28-pin AVR devices, … More

The Arduino can talk over a wide range of networks. Ethernet, Bluetooth, Wifi, XBEE and GPRS to name the most … More