4 ms·
OP's information density estimations seem quite optimistic to me. For 2D barcodes such as QR codes, it is generally recommended to use 4×4px blocks or equivale
by zozbot234 3y ago
OP's information density estimations seem quite optimistic to me. For 2D barcodes such as QR codes, it is generally recommended to use 4×4px blocks or equivalent. So assuming a 600dpi printing and scanning device you would have to encode your data at "150 dpi" or so.