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          Technical Article


          What is difference between relay and sensor while both are sensing devices?

          Time:2019-07-18 17:51:21 Click:

          A relay is an electrically operated switch. And relay is used where it is necessary to control a circuit by a separate low-power signal, or where several circuits must be controlled by one signal.

           

          A sensor is a device, module, or subsystem whose purpose is to detect events or changes in its environment and send the information to other electronics, frequently a computer processor. That’s to say, a sensor converts external data into an electrical signal and which is always used with other electronics. (WIKI)

           

           

           



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