/*
#include <Servo.h>

const int BUTTON_PIN = 7; 
const int SERVO_PIN  = 8; 

Servo servo; 

int angle = 0;         
int lastButtonState;    
int currentButtonState; 

void setup() 
{
  Serial.begin(9600);                
  pinMode(BUTTON_PIN, INPUT_PULLUP); 
  servo.attach(SERVO_PIN);         

  servo.write(angle);
  currentButtonState = digitalRead(BUTTON_PIN);
}

void loop() 
{
  lastButtonState    = currentButtonState;     
  currentButtonState = digitalRead(BUTTON_PIN); 

  if(lastButtonState == HIGH && currentButtonState == LOW) {
    Serial.println("The button is pressed");


    if(angle == 0)
    {
      angle = 180;
    }

    else if(angle == 180)
     {
       angle = 0;
     }


    servo.write(angle);
  }
}
*/














#include<Servo.h> 
int button = 7;  
int button1 = 3;  
int SERVO_PIN  = 9; 
Servo servo;  
int pos = 0;  

void  setup() 
{
  Serial.begin(9600);
  servo.attach(SERVO_PIN);  
  pinMode(button, INPUT_PULLUP);  
  pinMode(button1, INPUT_PULLUP); 
}

void loop() 
{
  if (digitalRead(button) ==  LOW) 
  { 
    pos++;  
    delay(5); 
    servo.write(pos); 
    Serial.println(pos);
  }
  if (digitalRead(button1) == LOW)
   { 
    pos--;  
    delay(5); 
    servo.write(pos); 
    Serial.println(pos);
  }
}