#include <Servo.h>

Servo myservo; 
#define servoPin 3 // servo signal wire pin A3
#define pushButtonPin 2 // switch wire pin A2

int angle = 1; // start angle
int angleStep = 89;
const int minAngle = 0;
const int maxAngle = 90;

const int type = 1; 

int buttonPushed = 0;

void setup() {
  Serial.begin(9600);          
  myservo.attach(servoPin);  
  pinMode(pushButtonPin, INPUT_PULLUP);
  Serial.println("targets down");
  myservo.write(angle);
}

void loop() {
  if (digitalRead(pushButtonPin) == LOW) {
    buttonPushed = 1;
    delay(800);
  }
  if ( buttonPushed ) {
    angle = angle + angleStep;

    if (angle >= maxAngle) {
      angleStep = -angleStep;
      if (type == 1)
      {
        buttonPushed = 0;
      }
    }

    if (angle <= minAngle) {
      angleStep = -angleStep;
      if (type == 2)
      {
        buttonPushed = 0;
      }
    }
    myservo.write(angle);
    Serial.print("Moved to: ");
    Serial.print(angle);   
    Serial.println(" degree");
    delay(200); 
  }

}