#include <WiFi.h>
#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27,16,2);
void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  Serial.println("ESP 32 Addition Cal");
  lcd.init();
  lcd.backlight();
}

void calculator() {
  // put your main code here, to run repeatedly:
  Serial.println("Enter first number:");
  int num1=Serial.readString().toInt();
  lcd.setCursor(0,0);
  lcd.print(num1);
  Serial.println(num1);
  lcd.setCursor(5,0);
  lcd.print("+");
  //--------
  Serial.println("Enter second number:");
  int num2=Serial.readString().toInt();
  lcd.setCursor(8,0);
  lcd.print(num2);
  Serial.println(num2);
  
  int result=num1+num2;
  lcd.setCursor(1,0);
  lcd.print(result);


  delay(1000);
  lcd.clear();

  
  // this speeds up the simulation
}

void loop(){
  delay(2000);
  calculator();
}