Even though an increasing number of PCs now have Wi-Fi connectivity built into their motherboards, you may find that the connection isn't great, and an external USB wireless adaptor can help ...
I also have a Nintendo SNES Classic Mini ... I am using the Diamex USB ISP programmer which is inexpensive and works great. The firmware (Arduino sketch) is located in controller_adapter and uses the ...
There are technically four USB ports on the whole Nintendo Switch system ... If you want to connect your Switch to a router, rather than using Wi-Fi, you can plug the LAN Adapter to the USB port ...