Studying QR Codes By Hand

QR codes is usually a useful approach to ship a hyperlink or contact particulars with out all that tedious mucking about with typing in a hyperlink, however they aren’t very helpful with no smartphone to decode them. [Noel Friedrich] puzzled if there was a way to do it by hand.

If all of it appears a bit daunting at first, [Friedrich]’s write-up helps you’re employed via copying a QR code to paper after which decoding it, so long as it’s model 1-5. Slashes within the template let you know the place error correction has been utilized to the code and you could flip the bit again to what it was.

[Friedrich] then goes into some extra particulars with a sensible instance of how the error correction works and the way to exploit the methods QR codes are generated and skim to make creative QR codes. This even works to make human readable codes (with out the worksheet), though the standard of the textual content nonetheless makes it considerably difficult.

This isn’t the primary time we’ve featured studying QR codes without a computer, however when you be taught, possibly this QR code clock shall be a bit extra helpful!

Thanks to [InstantArcade] for the tip by way of Discord!