/*Author: BehindTheSciences.com */
#include <SoftwareSerial.h>// import the serial library
#include <LiquidCrystal.h>
#define trigPin 5
#define echoPin 6
#define RS 12
#define RW 2
#define EN 11
#define VO 13
#define D4 7
#define D5 8
#define D6 9
#define D7 10
SoftwareSerial ser(3, 4); // RX, TX
String inData;
// initialize the library with the numbers of the interface pins
LiquidCrystal lcd(12, 11, 7, 8, 9, 10);
 
void setup() {
  // Run Once Setup code
  ser.begin(9600);
  Serial.begin(9600);
  /*Initialisation of the LCD */
  pinMode(D4, OUTPUT);
  pinMode(D5, OUTPUT);
  pinMode(D6, OUTPUT);
  pinMode(D7, OUTPUT);
  
  pinMode(EN, OUTPUT); 
  digitalWrite(EN, HIGH);
  pinMode(RS, OUTPUT); 
  digitalWrite(RS, LOW);
  pinMode(VO, OUTPUT); 
  digitalWrite(VO, LOW);

  pinMode(RW, OUTPUT); 
  digitalWrite(RW, LOW);
  
  delay(20); 
  digitalWrite(D7, LOW);
  digitalWrite(D6, LOW);
  digitalWrite(D5, HIGH);
  digitalWrite(D4, HIGH);
  delay(10);
  digitalWrite(D7, LOW);
  digitalWrite(D6, LOW);
  digitalWrite(D5, HIGH);
  digitalWrite(D4, LOW);
  
  digitalWrite(D7, LOW);
  digitalWrite(D6, LOW);
  digitalWrite(D5, HIGH);
  digitalWrite(D4, LOW);
  
  digitalWrite(D7, HIGH);
  digitalWrite(D6, HIGH);

  digitalWrite(D7, LOW);
  digitalWrite(D6, LOW);
  digitalWrite(D5, LOW);
  digitalWrite(D4, LOW);
  
  digitalWrite(D7, HIGH);
  digitalWrite(D6, LOW);
  digitalWrite(D5, LOW);
  digitalWrite(D4, LOW);

  digitalWrite(D7, LOW);
  digitalWrite(D6, LOW);
  digitalWrite(D5, LOW);
  digitalWrite(D4, LOW);

  digitalWrite(D7, LOW);
  digitalWrite(D6, LOW);
  digitalWrite(D5, LOW);
  digitalWrite(D4, HIGH);

  digitalWrite(D7, LOW);
  digitalWrite(D6, LOW);
  digitalWrite(D5, LOW);
  digitalWrite(D4, LOW);

  digitalWrite(D7, LOW);
  digitalWrite(D6, HIGH);
  digitalWrite(D5, HIGH);
  digitalWrite(D4, HIGH);
/*-----------------------*/
 lcd.begin(16, 2);
  // Print a message to the LCD.
  lcd.setCursor(3, 0);
  lcd.print("Behind The");
  lcd.setCursor(4, 1);
  lcd.print("Sciences");
  delay(30);
   }
 
void loop() {
  // put your main code here, to run repeatedly:
   while (ser.available() > 0)
    {
        char received = ser.read();
        if (received != '\n'){
        inData += received; 
        }
// Process message when new line character is received
        if (received == '\n')
        {
            lcd.clear();
            lcd.setCursor(0, 0);
            lcd.print(inData);
            Serial.println(inData);

            inData = ""; // Clear received buffer
        }
    }
delay(100);// Wait for 100 ms
}