#include <Servo.h>
Servo servo;


int butt = 0;
int butt2 = 0;
float rot;
int Button2 = 3;
int Button = 4;
int yes;
int yes2;
int yes3;
int yes4;





void setup() {
  rot = 90;
  servo.attach(8);
  servo.write(0);
  Serial.begin(9600);
  pinMode(Button, INPUT);
  pinMode(Button2, INPUT);

}

void loop() {
  Serial.println(rot, 5);



  //===============================================================


  if (Serial.available() > 0) {
    char yes = Serial.read();
    if (yes == '1') {
      rot -= 1;
    } else {
      {
        rot += 1;
      }
    }

  }





  //============================================================================

  butt = digitalRead(Button);
  if (butt != 0) {

    if (rot < 180) {
      rot += 1;
    }
  }



  //========================================================


  butt2 = digitalRead(Button2);
  if (butt2 != 0) {

    if (rot > 0) {
      rot -= 1;
    }
  }



  servo.write(rot);
}