File:Barcode scanner connected to arduino.JPG - Wikimedia Commons
The CueCat is a cat-shaped handheld barcode reader that was given away free to Internet users in 2000. It enabled a user to open a link to an Internet URL by scanning
Barcode - Simple English Wikipedia, the free encyclopedia
Barcode Scanner (application) - Wikipedia
Ngescan: Free QR Code and Barcode Scanner - Kulkul Technology