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 ...
A Huntington Beach high school ditched hall passes and replaced them with QR codes, leaving some kids uneasy. "My opinion of this whole scanning into the bathroom is definitely unfair," Edison High ...
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 ...