#include <Servo.h>;
#include <LiquidCrystal_I2C.h>

 int totalColumns = 16;
  int totalRows = 2;

LiquidCrystal_I2C lcd(0x27, totalColumns, totalRows);

 // pushbutton pin
 const int buttonPin = 8;

 // servo pin
 const int servoPin = 3;
 Servo servo;

//create a variable to store a counter and set it to 0
int counter = 0;
void setup()
{
  servo.attach (servoPin);
  
  // Set up the pushbutton pins to be an input:
  pinMode(buttonPin, INPUT);
  lcd.init(); 
  lcd.backlight();

}

void loop()
{
 // local variable to hold the pushbutton states
  int buttonState;  

  //read the digital state of buttonPin with digitalRead() function and store the           //value in buttonState variable
  buttonState = digitalRead(buttonPin);

  //if the button is pressed increment counter and wait a tiny bit to give us some          //time to release the button
  if (buttonState == LOW) // light the LED
  {
    counter++;
    delay(150);
  }
  lcd.setCursor(0,0);
  lcd.print("button pressed");
  delay(1000);
  if(counter == 0){
    servo.write (0);
    lcd.setCursor(0,1);
    lcd.print("servo counter 0");
    delay(1000);
    
  }
  else if(counter == 1){
    servo.write(90);
    lcd.setCursor(0,1);
    lcd.print("servo counter 1");
    delay(1000);
    
  }
  else if(counter == 2){
    servo.write (150); 
    lcd.setCursor(0,1);
    lcd.print("servo counter 2");
    delay(1000);
   
  }
  else if(counter == 3) {
     servo.write (180);
     lcd.setCursor(0,1);
     lcd.print("servo counter 3");
     delay(1000);
   
  } 
    
  //else reset the counter to 0 which resets thr servo to 0 degrees
  else
   counter = 0;
lcd.clear(); 

}