// Arduino Soil Moisture Sensor Example
// Connections:
// VCC  → 5V
// GND  → GND
// AOUT → A0

const int soilPin = A0;  // Analog output pin connected to A0

void setup() {
  // Initialize Serial communication
  Serial.begin(9600);
}

void loop() {
  // Read the analog value from the soil moisture sensor
  int soilValue = analogRead(soilPin);

  // Print the raw sensor value to Serial Monitor
  Serial.print("Soil Moisture Value: ");
  Serial.println(soilValue);

  // Interpret soil condition based on sensor value
  if (soilValue < 400) {

    Serial.println("Soil is Dry - Time to Water!");
  } 
  else if (soilValue < 800) {
    Serial.println("Soil is Moist - Perfect Condition.");
  } 
  else {
    Serial.println("Soil is Wet - No Water Needed.");
  }

  // Wait for 1 second before taking the next reading
  delay(1000);
}