Hall tickets will feature a unique QR code, which invigilators can scan using an app for authentication. Only successfully authenticated candidates will be allowed to take the exam. The issue can be ...

This is an electronic attendance administration system using QR code. It was written with procedural php, Javascript libraries for the generation and decoding of the QR codes ...

It works in Google’s QR Code Scanner system app, but can also be implemented into other apps. If developers implement the code scanner API, users won’t have to grant camera permissions ...