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RetroPie: Testing The USB Controller/Joystick Via The Command Line or Terminal

Let’s start by connecting to your Raspberry Pi/RetroPie either by SSH or just plug a keyboard and hit F4 to go directly to the Terminal.

Check if your USB controller is detected by:

lsusb

Mine is “Arduino SA Leonardo”.

Next, enter the following command to test the inputs:

jstest /dev/input/js0

Now press each of the configured button inputs and you should get a response.

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