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Mastering Arduino by Jon Hoffman

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Schematic diagrams

While the Fritzing diagrams used images to represent the circuit, schematic diagrams use symbols. This allows for a more compact diagram, which makes it easier to represent complex circuits. The following diagram shows the symbols for some of the more common electronic components in a schematic diagram:

We would use these symbols to represent the components in a circuit. To see what a schematic diagram would look like, let's create a simple circuit that contained a battery, resistor and LED. The Fritzing diagram for this circuit would look like this:

In this diagram, it is easy to see what components are needed and how ...

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