Adding a camera to a project used to be a chore, but modern camera modules make it simple. But what if you want to read QR codes? [James Bowman] noticed a $7 module that claims to read QR codes so he ...

While there is no standard system for coding canned foods, many companies use similar codes to track their products. Learning to read the most commonly used codes that refer to dates helps ensure your ...

My Verdict An OBD2 scanner is a smart buy if you want answers fast and you hate guessing. Use it to read codes and plan your next move. Don’t wipe codes the night before inspection. If you want the ...

Sharat Potharaju is cofounder and CEO of Uniqode, whose vision is to enable digital connection with every physical object and place. Third-party cookies are crumbling, customer acquisition costs are ...