2.2 Moisture Sensor

The moisture sensor detects the water content in the soil. It outputs analog values depending on how wet or dry the soil is.

Example Applications:

• Automatic plant watering systems
• Agricultural field monitoring
• Soil dryness detection for gardening

2.2.1 Example Code for the Moisture Sensor

• Connect the moisture sensor to one of the expansion pins using the provided Type-C cable.
• Drag the read block from the code blocks section to the workspace.
• From the dropdown in the read block:
  • Select moisture as the sensor type
  • Select the correct pin that corresponds to where the sensor is plugged in
• Drag a ScreenDisplay block onto the workspace.
• Insert the configured read moisture block inside the ScreenDisplay block.
• This setup will:
  • Continuously read soil moisture levels from the sensor
  • Display the values in real time on the screen module

_{Figure 2.2.1a: Moisture sensor reading displayed using block-based code}