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Interfacing with serial ports
I'm computer science student. I need some idea regarding my project rest of work i'll do myself. The simple question is "say I've a small motor (which normally used in VCRs/Tape recorders) and I want to control it from computer (on/off) program. I've connected it to computer serial RS232 port. Please tell me the complete circuit of it and if possible the program (in c++)" Else tell me some good links if possible.
Thanx in advance.