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parallel port opto isolator schematic
Hi, the interface's not problem. I need a simples digital/analog circuit for control of DC motor.
Hi sertorius, I think is 250mA. I'm not sure. Use opto-isolator is very important.
Hi batdin, do you have a schematic?
yah, I can this too by serial...
parallel port opto isolator
Hello..
I need a circuit to interface with PC's parallel port. I want to make a speed control DC motor. I've implemented the closed loop control using delphi. It'll send signals (high or low) for parallel port's pins (data) thru control trackbar.
The program and...
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