When mysterious lights start appearing on your car's dashboard, an affordable OBD2 dongle can help you diagnose and fix problems.

When you're talking about data collection, two technologies come to mind: bar code scanning and RFID (radio frequency identification). The former has been a staple in data collection for more than 30 ...

Often found at the checkout counter, laser scanners decipher information contained within bar codes, allowing a host computer to process data such as product names and costs. Projecting a laser beam ...

Bar code scanning is an easy way to track your business inventory or even keep tabs on office supplies. Many bar codes contain a lot number. A lot number is an ID that shows which batch or lot a ...

Quick Response codes or QR codes are a type of barcodes that comprise a matrix of dots. To read these unique codes, a QR code scanner is needed. QR scanners are typically embedded in modern ...

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 ...

The QR code is having an extended moment, given that we’re all still wary of dealing with physical documents, touching surfaces, and generally interacting with the world at large. The switch to ...

Chethan is a reporter at Android Police, focusing on the weekend news coverage for the site. He has covered tech for over a decade with multiple publications, including the likes of Times Internet, ...