12 thoughts on “ Arduino Christmas Lights ” lja says: December 1, 2013 at 2:12 pm Nice, I ... I’ve always attached my “strings” to the tiles with binder clips. Report comment. Reply.

Arduino Traffic Light. 28 Comments . by: Mike Szczys. January 5, 2010. Title: Copy. ... and an Arduino serial to USB module for connectivity. The AC load switching is handled by three relays.