Louis, thanks for the schematics and the explanations.
It looks as if you already did the work I want to do. I want to create a
stupid cape, to break out the in- and outputs.
Did you post your cape anywhere? Especially the eagle files?
Kalle
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Hi there,
I've chosen the BeagleBone Black to build a horse feeding machine - and
this is my first attempt on embedded systems.
I'm sitting in front of the reference manual looking at the expansion
header P8 / P9 pinout to find out, which pins are the best for my
application.
I need 8 digital
Thanks for the hint with the USB - I had fear that USB and serial input are
connected somehow. A powered hub is already bought.
So for Serial I'll chose Pin 26 UART1 RXD and Pin 24 UART1_TXD.
The voltage at the IO pins will always be in correct level, because I'll
use optocouplers to protect
Got it! Thank you
Kalle
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