Simplified Solar Hot Water

Author	Message
LadyN Guru Joined: 26/01/2019 Location: United States Posts: 408	Posted: 06:45pm 24 Jul 2019       This is beautiful. The neon indicator itself is very helpful debugging aid. Brilliant! Time to learn what the 555 is, how it works, etc. Last time I studied a datasheet in details - the TL431, took me a month :(