Before I figured out how to work on cars, onboard computer systems scared me. I’ve had no formal training, after all, so the idea of a car’s complex electricals and countless sensors made DIY work ...

If you've been involved in automotive repair for a while, you probably know that modern vehicles use onboard diagnostic (OBD) systems to help notify us when there's a problem. The OBD system works ...

Don’t you hate it when you need to scan a QR code, but it’s too far away? That happens much too often, but Google has a solution for it. According to a new report, the built-in Android QR code reader ...

Eric Andersen from Cognex Corporation demonstrates the operation of a liquid lens that lets a code reader autofocus on small to large 1D and 2D bar codes. 2:02 Machine Design distills the cutting-edge ...