While playing with an Arduino-based light-notification system for webpage errors, the team realized they could use the same Arduino technology to create an interactive light-up Christmas tree.

Arduino controlled Christmas lights! It all started because [Anx2k] had some leftover LED’s from one of his other projects, so he decided to make use of them as permanently mounted Christmas lights.

We'll freely admit to having a love / hate relationship with Christmas lights and decorations. The sheer gaudiness of it all often turns our "bah humbug" nature inside out, revealing the awe ...