This is the coolest thing I've seen on an ESP8266 so far, and it goes way beyond what you think you can do with this thing. I'll let you see the videos further down, it's incredible !

The video :
https://www.youtube.com/watch?v=SSiRkpgwVKY

The video WITH COLOR :
https://www.youtube.com/watch?v=bcez5pcp55w

The code :
https://github.com/cnlohr/channel3