A QR code is a code that you can scan with the camera of a device or touchscreen.
After scanning, the information in the code appears on your display.
You can convert the URL of a website, Presenter lesson or tool, text, image or video into a QR code.
Make an instructional video and convert the URL into a QR code. Students can scan this QR code with their own devices and then they can watch the instructional video.