DIGITAL WIRELESS NOTICE BOARD

 VIDEO:

VIDEO LINK:                          https://youtu.be/6k2U68cVIWg

COMPONENTS REQUIRED:

1.ARDUINO NANO

2.16X2 LCD DISPLAY

3.BLUETOOTH MODULE

4.BREAD BOARD

5.JUMPER CABLES

CODE:

//Creative Pradeep//

//Simple App Controlled LCD Notice Board

#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x3F,16,2);  //Change the HEX address

#include <SoftwareSerial.h>

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.init();

  lcd.backlight();

  mySerial.begin(9600);

  Serial.begin(9600);

  lcd.setCursor(0, 0);

  lcd.print("    Digital    ");

  lcd.setCursor(0, 1);

  lcd.print(" Notice  Board ");

  delay(3000);

  lcd.clear();

}

void loop() 

  {

  val = mySerial.readString();

  val.trim();

  Serial.println(val);

  if(val != oldval)

  {

    newval = val;

  }

  val = oldval;

Serial.println(val);

lcd.clear();

lcd.setCursor(16, 1);

lcd.print(newval);

lcd.setCursor(16, 0);

lcd.print("Notice:");

for(int counter = 0; counter < 24; counter++)

{

lcd.scrollDisplayLeft();

delay(500);

}

}

APP LINK:

APP DOWNLOAD

CIRCUIT DIAGRAM:

CHANNEL LINK :         :www.youtube.com/c/CreativePradeep