Soil moisture sensor

}

void loop() {
  // Read the changing voltage from the soil sensor (0 to 1023)
  int soilValue = analogRead(soilPin);
  
  // Print raw value to screen so you can see your dirt's status
  Serial.print("Soil Moisture Value: ");
  Serial.println(soilValue);

  // -----------------------------------------------------------------
  // CONDITION: Soil is too dry (Value is ABOVE the threshold limit)
  // -----------------------------------------------------------------
  if (soilValue > dryThreshold) {
    Serial.println("[!!!] ALERT: SOIL IS BONE DRY! PLANT NEEDS WATER!");
    
    // Play a rhythmic, pulsing "Water Me!" distress chime
    digitalWrite(alarmLed, HIGH);
    tone(buzzerPin, 1000); // Low-mid pleading frequency
    delay(200);
    
    digitalWrite(alarmLed, LOW);
    noTone(buzzerPin);
    delay(800); // 1-second interval loop so it doesn't drive you crazy
  } 
  
  // -----------------------------------------------------------------
  // CONDITION: Soil is hydrated and healthy (Value is LOW)
  // -----------------------------------------------------------------
  else {
    noTone(buzzerPin);
    digitalWrite(alarmLed, LOW);
    delay(1000); // Check once per second when healthy to save battery
  }
}