TIL Barcode scanners scan the white parts, not the black.

Skeletor [any] to

technology • 3 years ago

2 Comments

How do barcodes and barcode scanners work?

www.explainthatstuff.com

A simple explanation of how grocery store barcodes and scanners work.

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Weedian [he/him]
·
3 years ago
what is the white part without the black part?

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technology

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