ARDUINO SERIAL COMMUNICATION

Today we will discuss arduino serial communication. So before go further we should know something about what is serial communication? We know that the term communication refer to the information shearing between two devices. It can be done by two method.

Parallel communication:    Data or information send parallel pattern from sender to receiver. Let’s 8 bit parallel communication means 8 bit information reached from sender to receiver at once.

 Generally this type of communication done between small distances.

Serial communication:   Data or information send serial pattern from sender to receiver. Let’s 8 bit serial communication means 8 bit information reached from sender to receiver serially one by one.

Serial communication done between long distances.

Now we know basic concept of Serial communication. Let’s come to our main topic that is arduino serial communication. For arduino serial communication, we have to clear some question first.

How we do arduino serial communication?

Which pins are responsible for arduino serial communication?

Answer of first question is we do know arduino serial communication by UART port. UART stands for universal asynchronous receiver-transmitter.

UART is a computer hardware device for asynchronous serial communication. The main advantage of UART is we can configure the bit pattern and transmission speed also.

Now answer of second question is pin numbers 0 and 1 are used for serial communication in arduino uno board. We can see RX (receive) and TX (transmit) are written over the board.

PROJECT DESCRIPTION:

To make easily understand the process, we simulated the  based project on proteus software. Were the  LCD is interfaced to the arduino board and virtual serial terminal. Now after writing proper arduino program, we can see whatever we write in virtual terminal. It will display in Lcd. It proved that whatever we send the data through virtual terminal. It will received TX and RX pin and display to LCD.

The  project description is simple  as shown in the  circuit diagram  made  with proteus software. If you need some knowledge on interfacing LCD with arduino do study the basics.

simulation  diagram 

Get the simulation code below using mickro c pro compiler .

 

Embedded C Code

// Name : Arduino serial communication

// Author : Engr. Okoh

// Date : 29-01-18

// Website : www.sltech360.blogspot.com

#include // initialize the library with the numbers of the interface pins

LiquidCrystal lcd(12, 11, 5, 4, 3, 2);

void setup()

{

// set up the LCD’s number of columns and rows:

lcd.begin(16, 2);

// initialize both serial ports:

Serial.begin(9600);

}

void loop() {

if (Serial.available()) {

unsigned int inByte = Serial.read();

Serial.write(inByte);

lcd.write(inByte);

lcd.leftToRight();

}

}

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