How To send Text from android to a ARDUINO lcd screen

This tutorial will show you how to send text from a android device to a ARDUINO’s LCD screen…

click on the video below for full tutorial.

 

 

How to set up and use a 1602 I2C serial LCD with your ARDUINO.

 

THE APP:

Click here to get the APP.

ARDUINO CODE:

#include <Wire.h>
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x3f, 2, 1, 0, 4, 5, 6, 7, 3, POSITIVE); // Set the LCD I2C address
String data;
void setup() {
Serial.begin(9600);
lcd.begin(16, 2); // initialize the lcd for 16 chars 2 lines
lcd.clear();
}

void loop() {

while(Serial.available()==0)
{

}

delay(500);
data = Serial.readString();

lcd.clear();
lcd.setCursor(0,0);
lcd.print(data);

}