- 23 Oct 2010
Yes, it does help, thank you. Symbols by themselves are fine so long as people know what the symbols mean. But no one has yet explained how achieve inverse polarity.The triangle with the "Bar" is the universal electrical symbol for a Diode... Light Emitting Diode.
The 2 "free" wires go to power, does not matter which is plus or minus... or plus and earth..
electrical current flows like water, has to come from somewhere and go to somewhere, otherwise known as a complete circuit
Here's one with power drawn in...