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

// Initialize the LCD with I2C address, 16 columns, and 2 rows
LiquidCrystal_I2C lcd(0x27, 16, 2);  // Update 0x27 with your LCD's I2C address if different

int flexSensorPin = 25;  // Analog pin to read the flex sensor output
int flexValue;           // Variable to store the sensor value
int angle;              // Variable to store the angle

void setup(void) {
  Serial.begin(115200);

  // Initialize the LCD
  lcd.init();      // Initialize the LCD
  lcd.backlight(); // Turn on the backlight
  delay(100);      // Allow some time for the LCD to initialize

  // Display initial message
  lcd.setCursor(0, 0);
  lcd.print("Initializing...");
  delay(1000);  // Pause to see the initialization message

  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("Flex Sensor");
  delay(1000);  // Pause to see the "Flex Sensor" message
}

void loop() {
  // Read the analog value from the flex sensor
  flexValue = analogRead(flexSensorPin);

  // Map the raw flex sensor value to an angle (0-180 degrees)
  // Assuming the flex sensor value ranges from 0 to 1023
  angle = map(flexValue, 0, 2073, 0, 180);

  // Clear the LCD and display flex sensor data
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("Flex Angle:");
  lcd.setCursor(0, 1);
  lcd.print(angle);  // Display the angle on the LCD

  // Print the flex value to the serial monitor
  Serial.print("Raw Flex Value: ");
  Serial.println(flexValue);
  Serial.print("Angle: ");
  Serial.println(angle);

  // Add your custom processing based on flex sensor value here
  // Example:
  if (angle > 90) {
    // Code for when the sensor is bent more than 90 degrees
    lcd.setCursor(10, 1);
    lcd.print("Bent");
    Serial.println("Status: Bent");
  } else {
    // Code for when the sensor is less bent
    lcd.setCursor(10, 1);
    lcd.print("Flat");
    Serial.println("Status: Flat");
  }

  delay(500);  // Slow down the updates for readability
}