Since the Pi is operating headless without a keyboard or mouse and you have no easy way to power it down, I believe you could use the GPIO headers to add a power button to it that’ll tell the Pi to shutdown nicely. This would help prevent memory card corruption from an abrupt power off and could...
A little while ago, I bought the cheapest LED PAR I could. I spent about $15 on it, it is very similar to some American DJ Led mega par plus fixtures I’ve used before. I bought it primarily to play with, and taking it apart it would be pretty easy to make it run off of 12v. At some point I might...