If you’re looking to connect a PS4 controller to a Nintendo Switch Lite, there are a few things you’ll need. The first is an adapter. This will allow you to use the Joy-Con controllers as if they were physical controllers. The second is the gamepad cable. This will allow you to use the Joy-Con controllers as if they were attached to a gamepad. Finally, you’ll need the game cartridge. This will allow you to play games on your Nintendo Switch Lite using your PS4 controller and your gamepad.