What GPIO pins does the 4-port adapter use, please?
It seems to conflict with one of the UART pins that we’d like to use, but without a spec or schematic, we’d have to trace everything manually.
I have used this my on my older projects. I think it might still be fairly accurate today.
Note that it says that they use pins 7, 11, 12, but those are the physical pin numbers not the BCM numbers and it is meant for an RPi 3/4 GPIO layout
Regards,
Zak
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