#include <Servo.h>

#define RAIN_SENSOR_PIN A0  // Analog pin for rain sensor
#define SERVO_PIN 9         // Digital pin for servo motor

Servo servoMotor;           // Create a servo object

void setup() {
  pinMode(RAIN_SENSOR_PIN, INPUT);
  servoMotor.attach(SERVO_PIN);
  Serial.begin(9600);       // Initialize serial communication
}

void loop() {
  int rainValue = analogRead(RAIN_SENSOR_PIN);  // Read analog value from rain sensor
  int servoAngle;                               // Variable to store servo angle
  
  // Convert sensor reading to servo angle (adjust as needed based on sensor characteristics)
  servoAngle = map(rainValue, 0, 1023, 0, 180);
  
  // Limit servo angle to prevent damage to the roof system
  servoAngle = constrain(servoAngle, 0, 180);

  // Control servo motor based on rain intensity
  if (rainValue < 500) {
    // If rain intensity is low (adjust thresholds as needed)
    servoMotor.write(0);   // Close the roof
    Serial.println("Roof Closed");
  } else {
    // If rain intensity is high
    servoMotor.write(servoAngle);  // Adjust the roof angle based on rain intensity
    Serial.print("Roof Adjusted, Angle: ");
    Serial.println(servoAngle);
  }

  delay(1000);  // Delay for stability
}