#include <Servo.h>

Servo servo1;
Servo servo2;

void setup() {
  Serial.begin(9600);
  servo1.attach(9);  // Attach servo1 to pin 9
  servo2.attach(10); // Attach servo2 to pin 10
}

void loop() {
  if (Serial.available() > 0) {
    int angle = Serial.parseInt();  // Read the angle value from Serial Monitor
    
    if (angle >= 0 && angle <= 180) {
      rotateServosClockwise(angle);
      delay(1000);  // Wait for 1 second

      rotateServosCounterClockwise(angle);
      delay(1000);  // Wait for 1 second
    } else {
      Serial.println("Invalid angle. Please enter an angle between 0 and 180.");
    }
  }
}

void rotateServosClockwise(int angle) {
  servo1.write(angle);        // Rotate servo1 clockwise
  servo2.write(180 - angle);   // Rotate servo2 counterclockwise by the same angle
  delay(1000);  // Wait for the servos to reach the desired positions
}

void rotateServosCounterClockwise(int angle) {
  servo1.write(180 - angle);   // Rotate servo1 counterclockwise
  servo2.write(angle);          // Rotate servo2 clockwise by the same angle
  delay(1000);  // Wait for the servos to reach the desired positions
}