#include <Servo.h>

// Create Servo objects
Servo servo1;
Servo servo2;
Servo servo3;

// Define the pin numbers for the servos
const int servoPin1 = 9;  // Connect the first servo to pin 9
const int servoPin2 = 10; // Connect the second servo to pin 10
const int servoPin3 = 11; // Connect the third servo to pin 11

void setup() {
  // Attach the servos to their respective pins
    servo1.attach(servoPin1);
      servo2.attach(servoPin2);
        servo3.attach(servoPin3);
        }

        void loop() {
          // Sweep the servos from 0 to 180 degrees and back
            for (int angle = 0; angle <= 180; angle++) {
                servo1.write(angle);
                    servo2.write(angle);
                        servo3.write(angle);
                            delay(15); // Wait for the servo to reach the position
                              }
                                
                                  for (int angle = 180; angle >= 0; angle--) {
                                      servo1.write(angle);
                                          servo2.write(angle);
                                              servo3.write(angle);
                                                  delay(15); // Wait for the servo to reach the position
                                                    }
                                                    }