I have connected directly to the GPIO. Have not had any issues so far. I am in favor of protection, but I guess it can be as simple or as complex as one desires.
I have also used the GPIO pins to drive an optical output.
I have connected directly to the GPIO. Have not had any issues so far. I am in favor of protection, but I guess it can be as simple or as complex as one desires.
I have also used the GPIO pins to drive an optical output.