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Raspberry Pi Forum Lost GPIO Joystick in retropie
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Lost GPIO Joystick in retropie

rainseeker
rainseeker over 9 years ago

Hi,

 

actually I am desperate. I configured a custom arcade joystick via GPIO and everything worked fine. Then I moved pi, cables and buttons into a case and the Joystick isn't detected anymore. Checked the cables. All pins correct. No Short circuit. Could the GPIO be damaged somehow? How could i Test it? Not Even a Single Button with only two cables connected works.

 

maybe you can help

rainseeker

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  • mconners
    0 mconners over 9 years ago

    You could test the GPIO pins by hooking up an LED and making sure you can blink it. There should be plenty of tutorials in blinking an LED available on the web. To test the inputs you could tie the input to gnd then 3.3v through a resistor and make sure that you can sense the change. Again, a trivial thing using python.

     

    Although my guess would be that when you moved it, you disturbed something and didn't get it put back together properly, but you said everything looks right, but I would triple check.

     

     

    Mike

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  • clem57
    0 clem57 over 9 years ago

    Just a guess, but I would check the power into the Pi. Maybe the voltage dropped since longer cable?

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  • rainseeker
    0 rainseeker over 9 years ago

    solved: fried the GPIO somehow

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  • Jan Cumps
    0 Jan Cumps over 9 years ago in reply to rainseeker

    That's still the best way to learn real electronics.

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