#include <LiquidCrystal_I2C.h>

// Initialize the LCD object
LiquidCrystal_I2C lcd(0x27, 16, 2);

// Define the pin for the water level sensor
const int waterLevelPin = A0;

void setup() {
  // Initialize the LCD display
  lcd.init();
  lcd.backlight();
  // Set up the water level sensor pin as an input
  pinMode(waterLevelPin, INPUT);

  // Initialize the serial communication
  Serial.begin(9600);

  // Display an initial message on the LCD
  lcd.print("Water Level:");

  // Set the cursor to the second line
  lcd.setCursor(0, 1);

  // Send an initial message to the serial monitor
  Serial.println("Water Level Monitor");
}

int waterLevel = 0;

void loop() {
  lcd.clear();
   // Display an initial message on the LCD
  lcd.print("Water Level:");

  // Set the cursor to the second line
  lcd.setCursor(0, 1);
  int numReadings = 10; // Number of readings to average
  int total = 0;

  // Take multiple readings and accumulate the total
  for (int i = 0; i < numReadings; i++) {
    waterLevel = analogRead(waterLevelPin);
    //Serial.println(waterLevel);
    if (waterLevel < 580)
      waterLevel = 580;

    total += waterLevel;

    // Wait for a moment before taking the next reading
    delay(100);
  }

  // Calculate the average
  int average = total / numReadings;

  // Map the average sensor value to the desired range (0-100%)
  //int percentage = map(average, 580, 720, 0, 100);

  // Print the water level percentage on the LCD
  lcd.setCursor(1, 1);
  lcd.print(average);



  // Wait for a moment before taking the next reading
  delay(1000);

}