Recently [mit41301] wondered about increasing the data capacity of QR codes, and was able to successfully triple the number of bits using color. He chose the new rectangular micro QR code (rMQR) st… ...

Create a Wi-Fi Password QR code using QiFi. The second way by which you can create a printable QR code for your Wi-Fi password is via QiFi. The process, as already mentioned, is largely the same.

The QR code anatomy: data (1), position markers (2), quiet zone (3) and optional logos (4). Scott Ruoti, CC BY-ND. The data in a QR code is a series of dots in a square grid.

Anatomy of a QR code. While it is easy for people to read Arabic numerals, it is hard for a computer. Bar codes encode alphanumeric data as a series of black and white lines of various widths.

Now, Denso Wave feels they have struck a balance between the beefy storage of a QR code with the sleek elegance of a bar code with the rMQR code. It has a layout like a stretched out Micro QR code, ...

With their reliance on bar codes, QR codes do not represent a new technology by any means. But they're on the 21st-century marketing hot list for reshaping the one-way bar-code system to make it ...

You can even create your own QR codes to share data on your iPhone with other QR-code-reader users. QuickMark is recommend by Google for good reason and is worth the $0.99. QuickMark is the best ...

[IMGCAP(1)]You have likely seen square bar codes appearing on ads, catalogs and magazines everywhere. But what are they and what purpose do they serve? They are called QR codes, or quick response ...

Adding a QR code to your printed photo can embed data like URL's, geographic locations, dates, and names. We'll show you how. How to add QR codes to your photos - CNET ...