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Updated Tutorial: Barcode Scanners @ Adafruit Learning System

Updated Tutorial: Barcode Scanners @ Adafruit Learning System

This mini tutorial will cover how we use barcode scanners. This isn’t necessarily an Arduino project, but it is a tool that we use every day when shipping packages – instead of entering in invoice numbers, we use a barcode scanner. That way we don’t have to worry about humans making typos!

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