Category Archives: QR codes readers

QR Codes Viruses – Should We Panic?

In the last days an alert of a QR code virus was spread in the Internet. Twitter was full of warnings regarding the QR code virus, including tweets suggesting that this will kill QR codes. Various links covered the issue … Continue reading

Posted in Qr code usage, QR code virus, QR codes, QR codes potential, QR codes readers, QR codes SMS, Secured QR codes | Tagged , , , , , , , | 1 Comment

QR Codes Versus Data Matrix

Unlike 1D codes where all information can be found in one cut through the code, 2D codes need a second dimension since they contain many different ‘lines’ of data. Among the most popular 2D codes are the QR codes and … Continue reading

Posted in Data Matrix, Data Matrix EC, Data Matrix readers, Data Matrix vs QR codes, decorated Data Matrix, designed QR codes, error correction, Image on QR code, logo on Qr code, QR code size, QR codes, QR codes readers | Tagged , , , , , , , , , , | 2 Comments

Decorating a QR Code – Part Two

After dealing in previous post with neutral (non damaging QR code data) decorative means, we are going to look at more aggressive means and learn their possible effect. We will try to estimate their damage amount and ways to control … Continue reading

Posted in color QR codes, designed QR codes, error correction, hidden QR codes, pattern coloring QR codes, QR codes, QR codes contrast, QR codes readers | Tagged , , , , , , , | 4 Comments

Decorating a QR Code – Part One

Decorating a QR code is not a simple task as it may sound. Decorating QR codes has been taken by some artists to a level of an art in itself. Some decorative means will not affect QR code readability, we … Continue reading

Posted in color QR codes, designed QR codes, error correction, QR codes, QR codes contrast, QR codes readers | Tagged , , , , , | 3 Comments