electronic resources from with the library, ideally at the point of need. Often library resources are available in both print and electronic format and a QR code can be used to link to the electronic equivalent from with the shelves. University of Bedfordshire use posters to highlight ebook versions of texts in high demand (particularly useful if all print books are out on loan): Ebook QR code poster You could also use QR codes to link to relevant web resources for particular areas within the library, for example linking to subject guides, relevant websites or online reports near the books for that topic. Guidance on how to use equipment or services There's a whole host of equipment to use in a library, much of which might need some explaining -- particularly printers, copiers, laminators and binding machines. Of course signage can help, but a QR code can be used to link to a step-by-step guide online, or a video of the equipment being used. They can also be used to direct people to get help -- either by providing them with help contacts, opening an SMS message to the library contact number, or a webpage with facility to ask for help (i.e. virtual reference). Additional information or calls to action on posters and handouts We all know libraries love our posters, but sometimes they can get a little text heavy. A QR code could be used to link to additional information leaving the poster free for just the essential information.