Dual Boot Color Converter 8:8:8 to 5:6:5

This was a LED control box, now made into a dual boot device also able to do 8:8:8 RGB to 5:6:5 Hex conversions. Hardware was already put together from a thing I did a while ago, so I thought what the heck, why not?
Code (Arduino) can be found here: http://www.thecustomgeek.com