Zetema

For developers and students

Tech challenges, ready to pick up.

Real problems people have written down in open-source issue trackers, developer threads and the gaps in public data. Every one is sourced, has a brief and a builder's kit, and is sized so a first version fits a weekend, a few weeks or a semester.

“There is no royal road to geometry.”
Euclid · as reported by Proclus
Where Everywhere

  • Kit readyA weekend

    Hardware & IoT · Anywhere

    People tracking a Meshtastic radio can't tell when its position is old.

    Solved looks like

    When a node's phone-supplied position has not been updated for a set time, it marks the position as last known with its age, and the app shows ‘last known, X minutes ago’. Checked by disconnecting the phone and watching the flag appear.

    Proof1 source · 3 quoted claims · github.com/meshtastic · Oct 2025

    Market3 reactions on the issue

    Kit5 steps · 21 tools · starter prompt ready

    1. Sourced (done)
    2. Kit (done)
    3. Wanted (next)
    4. Building
    5. Solved
    Open the kit →

    Be the first to want this solved. Nobody is building it yet.