QR code , bar code, matrix codes are have a hidden values like a serial number, name of items, even it have website link and WiFi password and said.
This codes are made by simple algorithm that called qr bar matrix codes.
In this tutorial I am going to show how to create and Scan those codes.
Don't have a time? Watch this quick video :
Video :https://youtu.be/wvkcpQfvQZ0
You need to download an app called qr scanner.it free in play store . Download link is given bellow.
Download Here
Download and install this app. Then open it then you go to the scanner process. Then you focus the code and you get the code number/letter.
Tap the create button on top. Then enter your text then select the code like a bar/QR/matrix or others . Then hit okay on top. Then the code is generated.
