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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.
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 ...)
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