Sometimes, we try to capture a QR code with a good digital camera on a smartphone, but the reading eventually fails. This usually happens when the QR code itself is of poor image quality, or if it has ...

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 ...

You can scan a QR code using the camera on your smartphone, tablet, or computer — however, you may need to download an app.

QR codes have become increasingly popular since the COVID-19 pandemic, which proliferated their usage in the form of paperless menus or bills. But with the convenience and efficiency of the scannable ...