Works with Arduino IDEs version 1.6.4 and later (tested up to 1.8.2)
Open the menu "File" > "Preferences" and add the following text to the box "Additional Boards Manager URLs": https://raw.githubusercontent.com/geolink/opentracker-arduino-board/master/package_opentracker_index.json
NOTE The link points to the package description file in the "master" branch, that may include new releases in the future. Maintainers and contributors, please use a separate branch for new releases, so that the above link does not break inadvertently and a clean merge can be prepared for inclusion in the "master" branch.
The first commercial grade, fully open source and 100% Arduino compatible GPS/GLONASS vehicle tracker with a powerful 32-bit ARM Cortex-M3 CPU.
Official website: https://www.geolink.io