Binary Clock using WS2812 Neopixels rather than an LED Matrix.   Have a look here for how to : http://www.instructables.com/id/Binary-Clock-Using-Neopixels/

It's easier to follow it on here :

 

http://www.instructables.com/id/Binary-Clock-Using-Neopixels/

 

You Tube Vid before I added the temperature module..

https://www.youtube.com/watch?v=8FEYzWqw3wM