Binary Love Clock

I combined a strip of WS2812B addressable RGB LEDs with an Arduino, a real-time clock and a beautiful heart-shaped boutique paper box to make an ornament for my wonderful Valentine. It displays the time, in seconds, in binary, since we met… (of course, it’s slightly approximate — I forget the precise second we met, but I think I know to within about 30 minutes!)

Read more on MAKE