Enter this interesting project from [Predrag Mijatovic], which uses a few scripts to automatically set up a new encrypted guest WiFi network and present the appropriate QR code on an OLED display ...

A guest network allows ... than an easy-to-remember WiFi password? A password you don’t have to remember at all. Some routers allow you to generate a QR code instead. Print it out, place it ...

There are many valid reasons to set up a guest network ... to-remember WiFi password? A password you don’t have to remember at all. Some routers allow you to generate a QR code instead.