#include <Servo.h>
int buttonpin = 7;
int last_state = HIGH;
int relaypin = 8;
Servo myservo; //create servo object to control a servo
//twelve servo objects can be created on most boards

int pos = 0;

void setup() 
{
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(buttonpin, INPUT_PULLUP);
  pinMode(relaypin, OUTPUT);
  myservo.attach(9); //attaches the servo on pin 9 to the servo
}

void loop() 
{
  int value = digitalRead(buttonpin);
  if (last_state != value)
  {
    last_state=value;
    
    if (value == HIGH)
    {
      digitalWrite(relaypin,LOW);
      Serial.println("released");
      
      for (pos = 0; pos <= 100; pos += 1) 
      {
        // goes from 0 degrees to 100 degrees
        // in steps of 1 degree
        myservo.write(pos);              // tell servo to go to position in variable 'pos'
        delay(15);                       // waits 15ms for the servo to reach the position
      }
      
      for (pos = 100; pos >= 80; pos -= 1) 
      { 
        // goes from 100 degrees to 0 degrees
        myservo.write(pos);              // tell servo to go to position in variable 'pos'
        delay(15);                       // waits 15ms for the servo to reach the position
      }
    }
    else
    {
      digitalWrite(relaypin,HIGH);
      Serial.println("pressed");
    }
  }
}