pc control of appliances

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In this project, how can we get feedback from relay to the pc to know the status of relay(i.e. ON or OFF )??? Plz reply as soon as possible

Posted 13-Oct-11 20:04pm

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Sergey Alexandrovich Kryukov 14-Oct-11 2:48am

RS-232, Ethernet, parallel port, USB, what? MODBUS, CAN, SyncNet, CAMAC? :-) It all depends on hardware, first of all. The approaches for different systems can be very, very different.
--SA

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Mehdi Gholam · Answer 1 · 2011-10-13T20:14:00

Solution 1

You need to create a circuit to get the status of the active relay connections and transfer the information to a logic circuit which you can interface to via a PC.

Posted 13-Oct-11 20:14pm

Mehdi Gholam

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Sergey Alexandrovich Kryukov 14-Oct-11 2:50am

Um... did you see my comment to the question? -- this is what comes first. By the way, there are good hobby articles on using simple inexpensive ways to interface PC -- that would the the very it, for home appliances. :-)
--SA

Mehdi Gholam 14-Oct-11 2:53am

Ask a silly question, try not to give a silly answer. :)