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.
Enable snaps on elementary OS and install tietonaytto
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 elementary OS from the command line. Open Terminal from the Applications launcher and type the following:
sudo apt update
sudo apt install snapd
Either log out and back in again, or restart your system, to ensure snap’s paths are updated correctly.
Install tietonaytto
To install tietonaytto, simply use the following command: