#include <Servo.h> // Include the Servo library

Servo myServo; // Create a Servo object
int servoPin = 9; // Define the pin connected to the servo motor

void setup() {
  myServo.attach(servoPin); // Attach the servo to pin 9
  Serial.begin(9600); // Start the Serial communication
  myServo.write(90); // Initialize servo to 90 degrees (straight)
  Serial.println("Enter 'L' for Left, 'R' for Right, 'S' for Straight (90 degrees):");
}

void loop() {
  if (Serial.available() > 0) {
    char command = Serial.read(); // Read the input from Serial
    command = toupper(command);  // Convert to uppercase for uniformity

    switch (command) {
      case 'L': // Turn left
        myServo.write(0); // Move servo to 0 degrees
        Serial.println("Servo turned Left (0 degrees)");
        break;

      case 'R': // Turn right
        myServo.write(180); // Move servo to 180 degrees
        Serial.println("Servo turned Right (180 degrees)");
        break;

      case 'S': // Turn straight (90 degrees)
        myServo.write(90); // Move servo to 90 degrees
        Serial.println("Servo set to Straight (90 degrees)");
        break;

      default: // Invalid input
        Serial.println("Invalid command. Enter 'L', 'R', or 'S'.");
        break;
    }
  }
}