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What Does A Relay Switch Do

a relay switch or simply a relay is a small electromechanical device that controls a pair of movable contacts or circuit parts moving from an open to a closed position and vice versa the primary purpose of a relay switch is to either ma

Looking For Relay Instructables

i have been looking for a relay that will switch with 3 vdc nbsp the other side is just a 9vdc source but the trigger has to be 3vdc or lower thanks i have been looking for a relay that will switch with 3 vdc the other side is just

Should I Use A Relay Instructables

hello i am trying to control a 9v dc pump with an arduino i am thinking that i will need to attach a relay to the pump and control the relay with a transistor from my arduino is this correct hello i am trying to control a 9v dc pump w

What Is A Relay And What Are It S Uses Instructables

electronic relay not running electronic relay not running best answer 12 years ago think of a relay as an electrically operated switch an electromagnet closes a switch when the electromagnet is powered the switch closes and turns somet

How Relays Work Howstuffworks

a relay is simply a mechanical switch that youâ ll find in your house and car electronics see what relay components are doing in all your stuff advertisement by madeline bullock a relay is a simple electromechanical switch made up of

Questions About Relays Instructables

i am building a robot with a specific purpose and i have hit a snag my remote controls on the receiver end are 4 5v and the motors i want to run are 12v all of it is dc the relays i have don t pull in a 4 5v so i need another way to doi

Quick Question About Relays Instructables

hey everyone just a quick question here i need a relay that will operate on 12v dc or less that can withstand 120v ac 2a us sockets are 2a correct would this work or am i oversimplifying everything nbsp http www radioshack com

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