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The 1 Channel 5V Relay Module provides a single relay that can be controlled by any 5V digital output from your microcontroller. The relay is accessible using screw terminals and can handle up to 2A of current. A handy LED indicates the status of the relay.

An opto coupler is provided at Input so that a LOW at input will drive the Relay ON.

Relay terminals are extended with screw terminal.

Normally Open NO , Pole & Normally Closed NC contacts 

AC or DC load can be given to this contacts.For AC , phase is given to Pole and NO is connected to one end of load.Other end of load is Neutral.So when Relay operates phase reaches load through NO contact.



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