ESP Like box

I currently work in automotive, so it was obvious I had to print the infamous AUTOSAREEEE post and stick it on a wall by the office. Given most of my colleagues pretty much breathe AUTOSAR .arxml's, I now want to measure how fond they are of the omnipresent standard.

Could I have just gotten a commercial option? Absolutely. Do they look ugly AF? Yep. Plus, I also wanted to hack something with a little personality.

Behavior

On Like/Dislike/Reset button press, the internal counter updates, then gets stored in Flash and displayed on screen. On power up, it tries reading a valid value from flash. Otherwise the counter resets.