AT#11: SERIAL COMMUNICATION

BASIC SERIAL COMMANDS

1. Serial.begin(speed);

Function:

Initializes serial communication and sets the data transmission rate to speed bits per second (usually 9600).

Location:

This command is placed inside the void setup() {} function.

2. Serial.print(content);

Function:

Prints the specified content to the Serial Monitor without moving to a new line.

Note:

You can use Serial.println(content); to print the content followed by a new line.

PRACTICE EXERCISE: APPLY THE KNOWLEDGE ABOVE AND ENTER THE FOLLOWING COMMANDS

Serial Exercise Code

Example Code:

String mess1 = "In ";

int year = 2008;

String mess2 = " I would be ";

int age = 0;

String mess3 = " years old";

int wait = 750;

void setup() {

Serial.begin(9600);

}

void loop() {

Serial.print(mess1);

Serial.print(year);

Serial.print(mess2);

Serial.print(age);

Serial.println(mess3);

year = year + 1;

age = age + 1;

delay(wait);

}

EXPECTED OUTPUT:

Serial Monitor Results