Game Input MultipleXer

Thanks for your help. That or some combination of things worked... For me I did the following... Plug in USB to Pro Micro Connect Ground wire to USB to TTL Serial Converter Connect Rx and Tx to wires to USB to TTL Serial Converter Plug USB to TTL Serial Converter into PC Start Load Only unplug and r...

I am trying to make a DIY GIMX Adapter but seem to be having issues. I bought the following hardware: DSD Tech USB to TTL Serial Converter CP2102 - https://www.amazon.com/gp/product/B072K3Z3TL/ref=ppx_yo_dt_b_asin_title_o02_s00?ie=UTF8&psc=1 OSOYOO Pro Micro ATmega32U4 Board - https://www.amazon...