An adaptor
to connect 1 or 2 switches to a PC's serial port.
Switches
usually come with a 3.5mm jack plug to connect them to a device. In
order to connect this to a PC, you need an adaptor.
These
are supported by almost all switch software. It connects to the serial
(RS232) port of the PC, and has a jack for two switches.
If you
have no serial port you can use a JoyBox or
JoyCable, or use a USB-Serial adaptor.
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