somehow it seems to be alot of confusion with regard to powering… as for me i use the expansion boards because i am an experimenter and not a developer the big concern is back feeding power to a computer or sensitive device on the USB
somehow it seems to be alot of confusion with regard to powering… as for me i use the expansion boards because i am an experimenter and not a developer the big concern is back feeding power to a computer or sensitive device on the USB