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://geolink.io
The new IDE integration files are available at: https://github.com/geolink/opentracker-arduino-board
All PCB files are available at: https://github.com/geolink/opentracker-hardware
OpenTracker Wiki: https://github.com/geolink/opentracker/wiki
Stable and tested firmware version: https://github.com/geolink/opentracker/releases