‘Lightseq’ and ‘Lightefface’ featured in the makers section of Arduino website.
Last summer I was contacted by a person working for Arduino. They wanted to feature two of my projects in the makers section of their website. It took me a while to sit down and write it, but finally it’s here:
http://www.arduino.org/makers/lightseq
http://www.arduino.org/makers/lightefface

