![]() Then, when testing the water for lead, the QR Code can be scanned to retrieve serial number-like info about the water fountain. Tracking inventory or assets: for example, imagine putting a QR Code on every water fountain in a school.Don't do that! Use QR Codes for good, not evil. All kinds of "big brother" tracking of individuals can be done.Coupons: Want to give a discount? Distribute a QR Code via the web and then scan it at check-out.This is a form of location management and tracing. Tracing: Attaching QR labels on containers and tracking the location of the containers (kinda like a unique Bar Code). ![]() Admission control: Instead of printed paper tickets, a QR Code can be sent to a mobile device and then scanned to "check a ticket.". ![]() The most common is a shortcut or link to a web address or URL. Uses of QR CodesĪ QR Code is a form of technology and it can be put to many uses. If a user clicks the button, then their device's web browser will open up and go to the URL. Often, that text is a web address (e.g., Most phone and tablet cameras these days will show the web address on a button. Then, the camera converts the design of the QR code image to text. Someone points a compatible camera at a QR Code. Test it to be sure it works, and err on the side of a smaller and more transparent image. Note that a large sized image without transparency may make it difficult for QR Code Readers to parse the image. This could be an organization logo, a cat photo, or anything you can imagine. The image will be in the center of the QR Code. Using this free tool, you can upload a JPEG or PNG and overlay it on a QR Code. Then, print the image in a place that can be scanned with a smartphone. Adjust the foreground and background colors.
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