It says a QR code is specified as being up to 177 pixels wide (and high I presume, because square), where they can have 2 kB of data with medium error correction.
It's a bit of a chore, but manageable to do if the data is important enough. Plus, with error correction built in, you can make some mistakes.
It says a QR code is specified as being up to 177 pixels wide (and high I presume, because square), where they can have 2 kB of data with medium error correction.
It's a bit of a chore, but manageable to do if the data is important enough. Plus, with error correction built in, you can make some mistakes.