For example, a three-digit code might be a code of 123 with a check digit of 6. The complete code would therefore be 1236 and the scanner would know that the code should always have three digits that ...

Bas has created a Raspberry Pi-powered barcode scanner that looks up CD barcodes and queues them up to play on Spotify.

A Japanese group called Electronicos Fantasticos! figured out that by connecting a supermarket barcode scanner to a powered sp ...

“Using 2D barcodes with atma.io and GS1 US allowed us to really communicate with our customers. It helped us engage with them ...