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A Circuit I cannot understand

I have a circuit digram but i cannot understand it. can anyone help me explain?



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Post a picture of it. You can also google (I think Wiki has it too) electrical symbols. That will help you figure out what the symbol for a diode, resistors, capacitors, batteries, etc are.

You don't understand the symbols?  Try these sites:



If it's something that is not on that chart, post it here and someone may know what it is.

If you don't understand the actual circuit, post it so we can help.