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 ...
Just how small can a QR code be? Small enough that it can only be recognized with an electron microscope. A research team at TU Wien, working together with the data storage technology company Cerabyte ...
World record tiny QR codes could store terabytes on a sheet, offering storage without power or cooling requirements anywhere ...
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Morning Overview on MSN
World’s tiniest QR code packs a record 2TB of data on a single page
Researchers at TU Wien in Vienna have created a QR code so small it can only be read with an electron microscope. The code measures roughly 1.98 square micrometers, with individual pixels about 49 ...
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