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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

looking for relay instructables

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

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. i

what is a relay and what are its 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

how relays work howstuffworks

a relay is simply a mechanical switch that you ll find in your house and car electronics. see what relay components are doing in all your stuff. advertisement by: madeline bulloc

relay for life cancer research uk

together we will beat cancer about cancer cancer types cancers in general causes of cancer coping with cancer health professionals get involved donate find an event volunteer do yo

relay for life race for life shop

together we will beat cancer

relay for life cancer research uk online shop

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how to test relays it still runs

the relays in your car are electrical switches that are used to control different electrical components, such as the air conditioner, the fuel pump, and the radiator fans. relays c

how to test a relay car bibles

looking for information on how to test a relay check out our comprehensive guide to help you learn how to test a relay on your car. think of your cars wiring as electrical synaps

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 rel