Making your own dithered QR codes Make your own The rest of my website Source code QR codes: the basics A QR code is really just a way of encoding a few bytes of data in a way that can be easily read froma photo by a smartphone or similar device.
They're designed to be very robust to bad focus, bad printing, funny angles, and missing areas.
Exactly how they work isn't terribly important, but for the purposes of this page, a QR code is a grid of squares that divide into two parts — the function patterns (which are the bold shapes in the above example) and the data modules (everything else).
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Making your own dithered QR codes Make your own The rest of my website Source code QR codes: the basics A QR code is really just a way of encoding a few bytes of data in a way that can be easily read froma photo by a smartphone or similar device.
They're designed to be very robust to bad focus, bad printing, funny angles, and missing areas.
Exactly how they work isn't terribly important, but for the purposes of this page, a QR code is a grid of squares that divide into two parts — the function patterns (which are the bold shapes in the above example) and the data modules (everything else).