So I challenged my son to make a QR code out of Legos. I assumed it would work. Others have done it. So here is how we did it.
1. Searched Google for “QR code generator”
2. Went here: http://zipop.com/qr-code-generator/
3. Entered in Zipop’s URL: http://zipop.com
4. Dragged the generated image to my computer desktop.
5. Printed out the code as large as possible.
6. Forced challenged middle son to build it out of Legos.
7. Downloaded a free QR reader on my iPhone. Here are a couple:
If you have a ghetto Driod phone I’m sure you can find one without my help.
A normal QR code is 25 squares by 25 squares. So it was pretty easy to make a lego base with matching dimesions.
Make sure your base color contrasts well with your squares. We used a black field with mostly white pieces.
He got confused a few times with all the little squares so I was there to make fun of him and help him. The tricky part was building white pieces on a black background. It would have been easier to make a white background and build the squares out of black. Not quite sure why.
After he was done I gave him my iPhone with a QR code reader on it and asked him to try it out.
And it worked! Try and scan it!
A productive Christmas break. 
I’d like to make another one out of another substance, probably food. Any suggestions?
