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 ...

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The Supreme Court is scheduled to review a petition on July 15 challenging the Uttar Pradesh government's directive for QR code displays at businesses along the 'kanwar' path, revealing owner ...

Check to see if codes - or displays - in open spaces such as stations or car parks have been tampered with, for example, with a sticker placed over the legitimate QR code. If in doubt, do not scan!