Interface 1-Channel Relay with Arduino - ElectroVigyan

What are Relays?  A relay is a type of electromechanical switch that has a variety of uses in home automation, DIY projects, IoT projects, automobiles like bikes, cars, trucks, etc., and industrial applications.  Relays are used where you want to turn ON/OFF devices with a low DC voltage. To understand…

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Interface One Channel Relay Module with Arduino