Girih Tiles

In 2012, while I was designing my LED installations at home, I started about placing the LEDs in circles in circular arcs. At that time I had a flexible five meter long LED strip with individually addressable LEDs. (WS2801) So I came up with five fold symmetries. Later I replaced the circles by regular Decagons. The shapes […]


Trafo Pop

This is the first official video of riding with the Trafo-Pop LED Jacket in Berlin at night on bikes. This LED Jacket is illuminated by 100 LEDs. Each RGB LED can be individually controlled to glow in one of 16 million colors. The LEDs are connected to one Arduino Nano micro controller and powered by […]



If you wanted to experiment with lamps in the past you had to choose those small 6 Volt light bulbs, which where used in the old wooden radios as backlight for the glass channel scales. The same small bulbs are still used nowadays in bicycle tail lights. And there you can see at once one […]