For a work project I've been looking up "mobile computer" barcode scanners, and man they are expensive and run on ancient hardware. A lot of these things on the low end ($300 to $600) have 15 year old ...

Symbol handheld bar code scanners from Motorola are useful for scanning information from product package bar codes into your computer. Because it is portable and handheld, the Symbol scanner is very ...

If you plan to run a very small store, sometimes called a "mom and pop" shop, you can probably hand-enter pricing information when ringing up a customer's order. For a larger scale operation, however, ...

The Quick Response code (or QR code) was introduced in 1994, but it never really took off in the US until decades later when the pandemic created a need for a quick, easy, and (most importantly) touch ...

To marvel at the choice and convenience of modern shopping, go visit your grocery-store mustard aisle. My local Whole Foods sells more than 20 different kinds: basic yellow mustard and Grey Poupon, ...

Two-dimensional barcodes called Quick Response codes, or QR codes for short, are used to store data that devices can read. While QR codes are popularly scanned via smartphones, what if you want to ...