TTL Serial Communication Explained | Part 2

The video tutorial explains TTL serial communication, a method used in serial communication protocols. It covers the basics of TTL, how it works with USART transmit and receive pins, and the process of sending messages using start, data, parity, and stop bits. The tutorial also highlights the use of this communication in Arduino projects.

Explain the role of the parity bit in the data frame.

What functions in the Arduino serial library are mentioned in the text?