Quick Response Codes are 2-dimensional barcodes, which can be used for many things. Data are encoded into a graphical format which then can be read by a camera and evaluated using special apps (barcode readers). Example usages include linking to web pages or exchanging contact data. See the 'info' ...

learn more… | top users | synonyms

1
vote
1answer
66 views

QR code printer/reader?

I run a small business repairing computers. Sometimes I have very similar looking computers, and shenanigans ensue if the customer labels fall off or the serial numbers I record become detached from ...
1
vote
0answers
683 views

Open Source “My QR code” app to quickly share my contact details?

Especially in Japan/Korea, there are many proprietary apps to quickly share your name+email+phone. Example here. They all work the same way: At first use, enter your name, email, phone: It generates ...
0
votes
0answers
17 views

Why won't my phone download my VCARD?

Note: I'm not sure if this is the best SE to post this to. If there's a better one, please point me there. I have a QR code that links to a VCARD. It downloads fine when I type the URL in on ...