i have heard about the electrical relay but never seen or used one.
What i know is, it has to have an input voltage, so it can turn a switch ON or OFF between 2 terminals. is this true?
can i use the input levels as 5v (to make the switch close) and (0v) to make it open? if yes plz tell me what relay model i should get.
thanx.
What i know is, it has to have an input voltage, so it can turn a switch ON or OFF between 2 terminals. is this true?
can i use the input levels as 5v (to make the switch close) and (0v) to make it open? if yes plz tell me what relay model i should get.
thanx.