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May refer to conductive traces of an integrated circuit, exposed as metal contacts, or pins, which are large by comparison and make physical connection to other components feasible. May also refer to metal pins connected to specific traces of a printed circuit board for the purpose of connecting and disconnecting external components or peripherals in a reusable way.

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Can I use the analog pins on the Arduino for my project as digital?

For the projects I've done, I've only used the digital pins. I am building a small vehicle that uses stepper motors. I have run out of pins to control the motors for this vehicle. … What are the analog pins for? …
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