@gnurph69 wrote:
I have a GPIO extender on my Unicorn HAT / Pi 3 because of how I have it mounted; now I want to add an additional device in using some set of unused GPIO pins. I thought I remembered reading that the number of pins used by the Unicorn is quite small, but I can't find that source any more and I need to find out which pin(s) are available - also, can I just jumper wire something directly to those pins?
Thanks!
Lee
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