Instructions
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Learn about basic electricity and circuits. Several free online tutorials provide this information. Libraries are also good sources of the information.
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Identify the symbols for common circuit components such as power supply, capacitors, resistors, switches and wires. A list of symbols for common components and information on their functions is on The Electronics Club's website, which is linked in the Resources section.
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Identify what the circuit accomplishes. When you know what the circuit does, the circuit's structure will make sense.
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Match the symbols to what you see on the circuit diagram.
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Note additional markings on the diagram that provide information about the component. A battery symbol may have the power of the battery written beside it.
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Notice how and where the wires are connected to the components.