#include <Servo.h>
#include <Wire.h>
#include <LiquidCrystal_I2C.h>

const int raindropPin = A0;        // Analog pin for the simulated raindrop sensor
const int servoPin = 3;            // Digital pin for the servo motor
const int lcdColumns = 20;         // Number of columns in your LCD
const int lcdRows = 4;             // Number of rows in your LCD

Servo umbrellaServo;               // Create a servo object for the umbrella
LiquidCrystal_I2C lcd(0x27, lcdColumns, lcdRows);  // Change the address if needed

const int rainThreshold = 400;     // Adjust the raindrop value

void setup() {
    Serial.begin(9600);
    lcd.begin(lcdColumns, lcdRows);  // Initialize the LCD screen
    lcd.print("Display Rain Details");
    delay(2000);
    lcd.clear();

    umbrellaServo.attach(3);  // Attach the servo to the specified pin
    umbrellaServo.write(0);          // Set the initial position of the servo (closed)
}

void loop() {
    int raindropValue = analogRead(raindropPin);
    lcd.setCursor(0, 0);

    if (raindropValue > 0) {
        lcd.print("Yes Raining     ");
    } else {
        lcd.print("No Rain         ");
    }

    Serial.print("Raindrop: ");
    Serial.println(raindropValue);

    if (raindropValue == 0) {
        Serial.println("No Rain!");
        lcd.setCursor(0, 1);
        lcd.print("Umbrella: Closed ");
        umbrellaServo.write(0);     // Close the umbrella (0 degrees)

    } else if (raindropValue < rainThreshold) {
        Serial.println("Moderate Rain!");
        lcd.setCursor(0, 1);
        lcd.print("Umbrella: Open   ");
        umbrellaServo.write(90);    // Open the umbrella (90 degrees)
        
    } else {
        Serial.println("Heavy Rain!");
        lcd.setCursor(0, 1);
        lcd.print("Umbrella: Open   ");
        umbrellaServo.write(90);    // Open the umbrella (90 degrees)
    }

    delay(1000); // Adjust delay based on your needs
}