I have an inbox full of messages of people who want solutions to problems but don't want to post on open forum because of dumbass trolls like you.
ken did not correct me because the part he wants to use does not exist.
I give advise because I am have mastered leds. you have not and come off as a real asswipe because you don't know what you are talking about.
Zener = low power reference voltage used to drive a transistor.
Dillon = troll that is not factual, knows no ee but corrects me with personal attacks. that's all he's good for.