The Soil Moisture Sensor project demonstrates how to use an Arduino Mega to monitor soil moisture levels using an analog sensor. Soil moisture sensors are essential for applications such as agriculture, gardening, or automated plant watering systems, where precise measurement of soil moisture content is critical.
- Arduino Mega
- Soil Moisture Sensor
- Jumper Wires
- Connecting the Soil Moisture Sensor to Arduino Mega:
- Sensor Pin (moistureSensorPin): Connected to analog pin A0 on the Arduino Mega.
- GND Pin: Connected to the GND (ground) of the Arduino Mega.
- +5V Pin: Connected to the +5V power supply of the Arduino Mega.
-
Code Upload:
- Open the Arduino IDE and create a new sketch.
- Copy and paste the provided Arduino code into the sketch.
- Upload the code to the Arduino Mega.
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Testing:
- Open the Serial Monitor in the Arduino IDE (set to 9600 baud).
- Observe the soil moisture percentage readings displayed.
- Verify that the readings change based on the soil moisture level.
- Automated Irrigation: Control water pumps based on soil moisture levels to automate plant watering.
- Plant Health Monitoring: Monitor and log soil moisture data for plants to ensure optimal growing conditions.
- Research and Development: Use sensor data for scientific experiments and research related to soil moisture.
- Analog Readings: The analog sensor provides variable voltage output based on soil moisture, which is converted to a percentage for easier interpretation.
- Serial Communication: Use serial communication to output soil moisture readings to the Serial Monitor for real-time monitoring and debugging.
- Delay: A delay between readings ensures stable sensor readings and prevents excessive data output.
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