Hello, I am attempting to send GameCube controller input data in the form of bytes from a computer connected to an Arduino Uno to each of the colored wires where I split the male and female parts of a GameCube cable. The male end of the cable will eventually connect with my Mayflash GC to Wii U adapter. (See the below diagram in image since it's easier to illustrate what I'm trying to do.) [Original setup from: https://github.com/jaburns/NintendoSpy/blob/master/docs/tutorial-gamecube.md] Image: https://s10.postimg.org/h9b4yjp7t/GC_Setup.jpg There are multiple tutorials detailing how to read GC controller inputs (still using an Arduino) from a physical controller, but I want to emulate the GC controller by sending the input data to the male end of the cable directly from the computer/Arduino setup. Are Arduino pins even capable of doing this? What would be the best way to accomplish this connection and transmission?