I'm going to use an ESP-01 module to control this, which is just about the smallest ESP8266 module you can find. It doesn't have a lot of available GPIOs to play with, but it does have GPIO2, which ...

I created this as an xmas project. (red) snake grows when eating a piece of (green) food small end animation when the game is finished which flashes lights and creates a growing rainbow effect. the ...