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(Arduino goes DW1000)
A library that offers functionality to use Decawave's DW1000 chips/modules with Arduino/AVR (see http://www.decawave.com/products/dwm1000-module).
This lib allows to use the DW1000 UWB chip with Arduino. The DW1000 is a UWB radio transceiver to measure range very accurately. You can for example use it for indoor navigation and positioning. It's like GPS, but much more accurate and also works indoor!
There are some videos online which show the performance and an application. https://youtu.be/t1kuF8y7Lwg
The DW1000 chip can also be used to have muliple tags located simultaneously, as shown here https://youtu.be/vubk64ok1TA
(https://youtu.be/t1kuF8y7Lwg)
There is python code available online on the Localino website, which allows to locate and track multiple tags. The python code retrieves UDP datagrams send from the Anchors to the application. It processes and draws them on a map nearly in realtime. see here: http://www.localino.net/shop/detail/index/sArticle/14/sCategory/8