Vernier Science Education recently launched the Go Direct ® Soil Moisture Sensor to help high school and ... Read more ...

These connect to an LX3302A inductive sensor IC, which reads the position of the copper slug inside the float. That simplifies the process greatly; [Mark] goes into great detail about the design ...

The rough pieces to do this would be a water level sensor, a way to communicate that water level measurement to a server, and a way to visualize the data. The main sensor node uses a device called ...