You can put one on your business card so people can quickly access your contact information, or on your living room wall with your network’s SSID and encryption key. The design of QR codes also ...

Recently [mit41301] wondered about increasing the data capacity of QR codes ... 1D bar code. There are quite a few variations of rMQR, but the largest can hold 361 bytes. The basic idea is ...

Customers can scan QR codes appearing on prepaid card displays in stores or that appear in the retailer’s weekly print circular to launch the service. Giving customers a way to sell unwanted ...