D desmondlai New Member May 12, 2010 #1 can explain what is the difference of optocoupler & solid state relay?
aljamri Member May 12, 2010 #2 They are totally different. You may put this way better " What is the similarity between them" that sounds more challenge. Simply Google each and you will realize.
They are totally different. You may put this way better " What is the similarity between them" that sounds more challenge. Simply Google each and you will realize.
MikeMl Well-Known Member Most Helpful Member May 12, 2010 #3 An optocoupler is an internal part of a SSR