Custom controller
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So I'm looking at making a portable retropie machine(I don't think specs matter for this question I will only say that I want to use a raspberry pi zero and that I know that stuff like ps1 games won't run well on it) and I was wondering if I get say 4 buttons and a joystick how do I connect them to the gpio pins where retropie will recognise them as a controller? I have a arduino uno if that helps
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Not sure how to do that over gPIO, but if you use a raphnet usbgame12 chip, you can wire it very easily over usb instead. This chip is very small (US postage stamp size) and fits easily into portable projects.
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@theepicdarklord you wire switches to available GPIO pins and a ground pin. Then, you can run software that watches GPIO and converts the buttons/switches into keyboard commands or game controller input.
Adafruit's Retrogame is a popular choice, but GPIOnext is becoming the better choice, as it will be more user-friendly and has a lot more options for keyboard, gamepad, and can even trigger commands.
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