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…

Just pin 18 power and ground and jumper wires should work [image] Unicorn HAT at Raspberry Pi GPIO Pinout 64 blindingly bright RGB LEDs on a single HAT

Passthru pins on Unicorn HAT?

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pi2003 August 24, 2016, 6:00pm 3

http://forums.pimoroni.com/t/unicorn-hat-and-used-pins/155/16?u=pi2003

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Passthru pins on Unicorn HAT?

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