Give your clients access to your online menu/catalogue, just posting the visible QR, contactless from your device could show the lastest version of your menus/catalogues.
You don't need programming knowledge, in two simple steps you have your free QR and ready to print or publish. Also use it on your social networks and promote your products.
You will have statistics of your visits to know how many times your menu/catalogue have been shown.
If you have any doubt or suggestion fill in the contact form and click send message.