Relay is an electromagnetic device which is used to isolate two circuits electrically and connect them magnetically. They are very useful devices and allow one circuit to switch another one while they are completely separate. They are often used to interface an electronic circuit (working at a low voltage) to an electrical circuit which works at very high voltage. Their job can be compared to that of a transistor working as a switch but with a difference that relays cannot handle high frequency inputs.
Package include :
- 1x 12v-DC Relay
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