Viewing 5 posts - 1 through 5 (of 5 total)
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  • tman140
    Participant
    10/20/2013 at 00:00
    Post count: 11
    #2976

    I would like to use two other GPIO pins, and wondered if it would be possible with the adapter. What pins are available and, if any are, how would I wire into them?

    (Sorry if this has already been posted, though I didn’t see anything when i ran a few searches)

    petrockblog
    Keymaster
    10/20/2013 at 16:31
    Post count: 1827
    #2978

    Yes – the adapter breaks out four additional pins: 0, 14, 21, and 22. The schematics of the RetroPie GPIO Adapter are available at https://www.petrockblock.com/?wpdmdl=7. In addition, GND and 3.3V are broken out.

    I hope that helps!?

    tman140
    Participant
    10/22/2013 at 23:39
    Post count: 11
    #2992

    That helps a little bit, although i am unsure where the pins are broken out on the actual board???

    petrockblog
    Keymaster
    10/23/2013 at 20:50
    Post count: 1827
    #2996

    You could access the pins, e.g., with a 2×3 male header. I attached an image that shows the PCB of the RetroPie GPIO Adapter:

    RetroPie GPIO Adapter PCB

    tman140
    Participant
    10/23/2013 at 23:30
    Post count: 11
    #2998

    Ah, I see. I have the board (haven’t assembled it yet) but didn’t notice the markings that showed which pin is what. Thank you for your help and awesome project!

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Viewing 5 posts - 1 through 5 (of 5 total)
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