An open-source, all-inclusive, combined device for monitoring and tracking

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The definitive open-source device for tracking everything you love.

Polar is an all inclusive tracking device to support whatever project you’re thinking of. Its versatility makes it a perfect companion for projects like:


Use Cases

Track and destroy

In this project we installed Polar inside our personal computer, to make sure that in case of theft we could easily track it down and destroy every sensible data we left inside. See the whole project here!

Zero motorcycles tracker

We love our electric bikes, and we are not satisfied with traditional trackers. With Polar we have a battery backup for stand-by power, a localization system and a direct connection to diagnostics, all in one small device!

Pet finder

With Polar it’s impossible to lose your lovely pet! You can 3D print a proper enclosure and fit it on the collar; Polar is very small.

What’s Inside?

Polar includes the following components:

In the Press


"So potentially, you could have the IMU do some dead reckoning when there's no GPS signal. So this is actually quite a nice little unit."

About the Team


Padova, Italy  ·

We are passionate about technology, mobility, and efficiency. With this spirit we founded Cartender, a project to develop Hardware and Software solutions to support and accelerate a transition to sustainable mobility.

Cristiano Griletti
Alberto Stecca

See Also

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