#include <Servo.h>

Servo servo_pin_12;
Servo servo_pin_7;
Servo servo_pin_5;


int bottonmode = 0;

void setup()
{

  pinMode( 3 , INPUT);
  digitalWrite( 3 , HIGH ); // bottom
  servo_pin_12.attach(12); // servo motor
  servo_pin_7.attach(7); // servo motor
  servo_pin_5.attach(5); // servo motor
    Serial.begin(9600);

}

void loop()
{
  Serial.print(digitalRead( 3 ));

  if (digitalRead(3) == HIGH) { 
    if ( bottonmode == 0) {
      bottonmode = 1;
    } else if ( bottonmode == 1) {
      bottonmode = 0; // botton (turn on, turn off)
    }
    delay(500);
  }

  if (bottonmode == 1) 
  {
    Serial.println("botton=1");
    servo_pin_12.write( 0 );
    delay( 1500.0 );
    servo_pin_12.write( 180 );
    delay( 1000.0 );
    servo_pin_7.write( 0 );
    delay( 1500.0 );
    servo_pin_7.write( 180 );
    delay( 1000.0 );
    servo_pin_5.write( 160 );
    delay( 1500.0 );
    servo_pin_5.write( 0 );                        
    delay( 1000.0 ); //above are the rotation of servo motor 
    //the degrees of the rotation can be changed if the degrees above didn't match the rotation angle of your servo motor
    
    bottonmode = 0 ; // the operation will stop once the rotation finish
    }
}