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Switching Relays on and off via com port

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rizzy_dascal

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Hi,

Could somebody please help me, I am trying to get hold of a tutorial for bulding a pc interface in visual studio to operate a series of relays through the com port of my pc ie a usb to serial lead.

I have microcontroller on a breadboard that I would eventually like to interface with the interface.

All of the tutorials I have seen tend to be about sending text over the com port rather than turning switches on.

Thanks In Advance
Rizzy
 

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