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What is Arduino Serial Communication?

We will talk about the third type of output that is serial communication or serial output.

Serial communication is used for communication between the Arduino board and a computer or other devices. All Arduino boards have at least one serial port (also known as a UART or USART), and some have several ports.

Arduino dedicates pin 0 for receiving information and pin 1 for transferring information. What is the baud rate in communication? The baud rate is the rate at which data is transmitted in a communication channel. In the serial port context, "9600 baud" means that the serial port can transfer a maximum of 9600 bits per second.

In the video, how to use serial communication in coding is explained. Without hardware, you can test your output of the program on the serial monitor. You can check whether your program is working correctly or not. To protect your hardware, first, run your program on the serial monitor.

Till now, we have learned three types of output: Digital, analog in terms of PWM and serial. In the next video, we will see what is Digital Input.


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