I'm just wondering if anyone has used the AudioInjector Octo with the Raspberry Pi 4B, whilst also using a GPIO controlled fan (using GPIO pin 14). 

I'm using the Octo as part of a sound installation and I think I could benefit from using a fan to keep the Pi cool while everything is running. 

I'm just curious if others have done this before/if it's possible with the pins the Octo uses. 

Thanks,

Chris