How do you create a live QR code, Snap.Vu is one very easy way to create a living code. You do need an account, but it is FREE. Once you have your account created you will want to create a text code. This will get saved to the tab "My Codes" The "Reference" field is nice, you can name or label so you understand and remember what that code was created for and how you are using it. Example, Homework as the reference. Then I can go back into that code and "edit" the text or add additional text. This is under the drop down window of "Actions.
The original QR code NEVER changes, just what they see when they scan. Place this QR code inside the folder that goes home everyday and they AND their parents will always have the latest information.