Wireless Notice Board

               Diagram

                Code

#include <LiquidCrystal.h>
	#include <SoftwareSerial.h>
	LiquidCrystal lcd (4, 5, 6, 7, 8, 9);
	SoftwareSerial mySerial (2, 3); //(RX, TX);
	String val = "No Data";
	String oldval;
	String newval = "No Data";
	int i = 0;
	void setup()
	{
	// put your setup code here, to run once:
	lcd.begin(16,2);
	mySerial.begin(9600);
	Serial.begin(9600);
	lcd.setCursor(0, 0);
	lcd.print("Wireless Notice");
	lcd.setCursor(0, 1);
	lcd.print(" Board ");
	delay(3000);
	lcd.clear();
	lcd.print("Welcome!");
	}
	void loop()
	{
	val = mySerial.readString();
	val.trim();
	Serial.println(val);
	if(val != oldval)
	{
	newval = val;
	}
	lcd.clear();
	lcd.setCursor(i, 0);
	lcd.print(newval);
	i++;
	if(i >= 15)
	{
	i = 0;
	}
	val = oldval;
	}