Arduino sketch for a box that connects two original SNES controllers via USB
mostly adapted from https://github.com/burks10/Arduino-SNES-Controller
Vital information about SNES hardware was taken from here: https://gamefaqs.gamespot.com/snes/916396-super-nintendo/faqs/5395
To get both gamepads to work on Linux, please follow the following instructions: http://mheironimus.blogspot.com/2015/09/linux-support-for-arduino-leonardo.html