User Manual
www.geolink.io 
User Manual (1.4.0)  OpenTracker 2.4  3 
Connector schematic (2G modem only) .................................................................................................. 21 
Optional connector (3G modem only) ...................................................................................................... 21 
USB Interface ................................................................................................................................................. 22 
JTAG Interface ............................................................................................................................................... 23 
Schematic ................................................................................................................................................ 23 
Software .......................................................................................................................................................... 24 
Arduino IDE .................................................................................................................................................. 24 
Adding OpenTracker 2 as Board to Arduino IDE .................................................................................... 24 
Using Arduino IDE with OpenTracker ...................................................................................................... 24 
Troubleshooting ............................................................................................................................................ 25 
Reset Soft bricked board – Flash locked ..................................................................................................... 25 
How to Reset a Soft bricked board .......................................................................................................... 25 
Electrical Characteristics .............................................................................................................................. 26 
Absolute Maximum Ratings ......................................................................................................................... 26 
Recommended Operating Conditions .......................................................................................................... 26 
How to get support ........................................................................................................................................ 27 
