cd to arduino/hardware (typically in /usr/share/)
git clone https://github.com/HydroSense/HydroSenseHardware.git
cd HydroSenseHardware
Open Arduino and select CUSTOM Hydrosense Datalogger under Tools->Board
cd to arduino/hardware (typically in /usr/share/)
git clone https://github.com/HydroSense/HydroSenseHardware.git
cd HydroSenseHardware
Open Arduino and select CUSTOM Hydrosense Datalogger under Tools->Board