How many pins does the Pico GFX Pack use?

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1

As I am making a mini pico based computer, I need as many pins as possible avalable for differennt things (keypad, buzzer, etc…). I was just wondering how many pins the Pico GFX Pack uses and which pins they are?

2

There is a schematic here, that may help figure it out.
GFX_pack.sch (shopify.com)

3

Thanks for the helpful tip!