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October 26, 2012 AT 7:00 am

The RetroPie GPIO Adapter #piday #raspberrypi @Raspberry_Pi

RetroPiElectronics

Check out this little kit for for connecting gaming controllers to your Raspberry Pi via GPIO in a small enough form factor to keep your favorite cases, from petRockBlog of the RetroPi project:

If you want to use your Raspberry Pi for gaming you certainly want to attach some sort of controller(s) to it. Since the Raspberry comes with two USB ports one way would be to simply attach any sort of USB gamepad or joystick via these ports to it. Besides the configuration this approach has the disadvantages that one or both USB ports become occupied and, what I think is even more disturbing, that an active USB hub might become necessary to provide enough energy to the controller(s). Also, if you want to get the real retro feeling you certainly want to use original controllers. The GPIO pins of the Raspberry allow the communication with all sorts of hardware and attaching, for example, SNES controllers can be done in quite a few steps. A user-space program that polls the controller(s) in the background was presented here. In the following I am presenting a dedicated GPIO adapter for the Raspberry Pi that allows an easy and safe connection of up to two NES or SNES controllers.

Read more.


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