Advent Calendar Tracks The Days Until Christmas

See the original posting on Hackaday

What’s a hacker to do when Halloween’s over and a new source of ideas is needed for more hacks? Make something for Christmas of course. That’s what [Dario¬†Breitenstein] did when he made his Advent calendar both as a decoration and to help instill some Christmas spirit.

Designed in SketchUp, it’s a WS2812 LED strip mounted in a clean looking walnut enclosure. The light diffuses through 3D-printed PETG lids with vinyl over them to outline the days. Naturally, it had to be Internet-connected and so an ESP8266 based WEMOS D1 mini board fetches the date and time from an NTP …read more