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I have an old Kindle it would be fun to put the QR code on that.

And maybe somehow a script that rotates the password updating the Kindle.



I setup a raspberry pi with a small display showing the weather forecast, next 5 calendar events and a QR code for the WIFI using this:

https://github.com/TeraTech/MMM-WiFiPassword

weather:

https://github.com/jclarke0000/MMM-DarkSkyForecast

Sits on the kitchen counter. Guest password is rotated and the display is auto-updated.

The raspberrypi is running MagicMirror, but I just have it outputting to a small display (7"). Looks great.

I use a Ubiquiti wifi AP and it has an API to change the guest password.




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