#include <Servo.h>
int buttonpin = 7;
int last_state = HIGH;
int relaypin = 8;
Servo myservo;

int pos = 0;

void setup() {
  Serial.begin(115200);
  pinMode(buttonpin,INPUT_PULLUP);
  pinMode(relaypin,OUTPUT);
  myservo.attach(9);
}

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 <=180; pos +=1 ){
        myservo.write(pos);
        delay(15);
      }
    }
    else{
      digitalWrite(relaypin,HIGH);
      Serial.println("pressed");
    }
  }
}