Tietonäyttö is a dual-view Full HD (1920x1080) smart display snap for Ubuntu Core
on Raspberry Pi 4 with physical PC power switch GPIO controls:
Main View 1 (Tietonäyttö): Live HSL public transit departures, Open-Meteo 16-hour
weather forecast with umbrella & UV sunscreen advisors, and Today/Tomorrow 15-min
electricity spot price charts.
Main View 2 (Valokuvanäyttö): Local photo frame slideshow with blurred ambient
backdrop, automatic timer transitions, and on-demand switching.
GPIO Control: Long press switches between Main View 1 and Main View 2; short press
advances to the next photo on View 2 (and resets the timer) or refreshes data on View 1.
Authenticated LAN Management UI on port 8080 for uploading photos and configuring stops.
Snaps are applications packaged with all their dependencies to run on all popular Linux distributions from a single build. They update automatically and roll back gracefully.
Snaps are discoverable and installable from the Snap Store, an app store with an audience of millions.
Enable snapd
Snap can be installed on Fedora from the command line:
sudo dnf install snapd
Either log out and back in again, or restart your system, to ensure snap’s paths are updated correctly.
To enable classic snap support, enter the following to create a symbolic link between /var/lib/snapd/snap and /snap:
sudo ln -s /var/lib/snapd/snap /snap
Install tietonaytto
To install tietonaytto, simply use the following command: