GPIO Switch + sound card

Moderator: flatmax

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Posts: 2
Joined: Sat Jul 07, 2018 2:16 am

GPIO Switch + sound card

Post by flappix » Thu Jul 19, 2018 6:23 am

Hi @ all,
I want to connect a little switch in addition to the AudioInjector Zero to the GPIO port, like in this example:
Are there any GPIO pins which are safe to use for this?

Would be really if some knows this :)

Posts: 22
Joined: Wed Jul 05, 2017 5:09 pm

Re: GPIO Switch + sound card

Post by moggyd » Wed Jul 25, 2018 10:49 am

Yes you can - the card doesn't use many of the pins.

pin 03 : I2C (shared),
pin 05 : I2C (shrared),
pin 12 : Bit clock,
pin 35: LR clock,
pin 38: Data in,
pint 40: Data out

Any of the others will be fine

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