I picked up a random piece of hardware I knew probably ran linux under the hood, and found that hacking it really threw me in the deep end. Working with stuff t

I picked up a random piece of hardware I knew probably ran linux under the hood, and found that hacking it really threw me in the deep end. Working with stuff that's not documented, has probably never been tried and looks utterly impossible is a heap of fun and for me at least a good teaching tool. Pick an arbitrary goal and learn how to get there.