/*control the led using serial monitor and print the input string
on LCD*/
#include<LiquidCrystal.h>
LiquidCrystal lcd(17,2,16,4,0,15);
void setup(){
  lcd.begin(16,2);
  pinMode(23,OUTPUT);
  Serial.begin(9600);
  Serial.println("ENTER YOUR INPUT PLEASE: ");
}
void loop(){
  if(Serial.available()>0){
    String x=Serial.readStringUntil('\n');//used to read serial monitor
    lcd.setCursor(0,0);
    if(x=="ON"){
      digitalWrite(23, HIGH);
      lcd.print("LED IS ON!");
    }
    else if(x=="OFF"){
      digitalWrite(23, LOW);
      lcd.print("LED IS OFF!");
    }
    else{
      digitalWrite(23, LOW);
      lcd.print("WRONG INPUT");
      Serial.println("PLEASE ENTER ON OR OFF");
    }
  }
}