why 7805 gives 7v output
Harald Kapp Moderator Moderator Nov 17, 2011 13,700 Joined Nov 17, 2011 Messages 13,700 Nov 9, 2012 #2 It normally doesn't. Show us your circuit diagram. We can't divine what may be wrong.
CocaCola Apr 7, 2012 3,635 Joined Apr 7, 2012 Messages 3,635 Nov 9, 2012 #3 Is your supply 7V? If so you probably have the 7805 backwards...