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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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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.

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.