Guest access to your wireless network can be made easy by providing a QR code that contains the full Wi-Fi configuration. Your guest simply have to scan it with a QR code scanning app and all is setup.
While there are a number of online QR code generators on the internet, I did not want to send my WiFi password to remote servers just to get a QR code generated.
It supports WEP, WPA and no password types, configures the SSID and the password. It does not handle any IP-related configuration settings.
Generate QR code
$ qrencode -o wifi.png "WIFI:S:home.cweiske.de;T:WPA;P:2342;;"
- create QR code for automatic wifi access using qrencode
- Paul Freeman-Powell: Using a QR Code to Connect to your WiFi Network Quickly & Easily