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[pr2501 0]

 

 

I have to make an project (for schol).

 

 

 

At the begining i have to know if is it posible to see (someway)

if i conect PC (USB or RS 232) with an electrical switch ;

if switch is activated or not. I dont wont to sceare anibody

bot this switch leatly well become a PLC.

Is it clear were am i shuting ?

 

Yes i have a big problem.

( hove many hours of work; i do not knowe anyithing ...)