A QR code (quick-response code) is a type of two-dimensional matrix barcode, invented in 1994, by Japanese company Denso Wave.
how to draw a QR code by hand in 5 easy steps
Step-1: Draw a 21*21 box
Draw 21 by 21 square boxes like a chess board. This is the base for our QR code.
Step-2: Darker 7*7 small boxes
Now fill the first 7 boxes with dark black of the first row and first column. Fill the 7th row as well.
Step-3: Darker more 3 , 7*7 small boxes
Step-4: Darker random small boxes in the middle
Step-5: Darker more random small boxes in the middle
