There is no limit on the number of sensors that can transmit data back to a single base station. One of our customers had 50 sensors that communicated to one base station!
If your hardware is not showing up on your map, you need to press the reset button identified by the red box below. The GPS coordinates will update the next time the sensor station sends data to the base station.
The salinity of the soil can tell you a lot about your crops. Watch the video below for a short tutorial on interpreting the salinity on the graphs page of the dashboard app.