I am seeking to interface a robotic arm with a computer via a parellel port. First, the computer and the arm are on seperate power supplies. I want to be able to send a timed signal from the computer to the arm that can complete the circuit of specific motors in the arm to make it move. What can I use for the interface and what are the specific adresses of the pins (using Windows ME)?
P.S. Thanks in advance.
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