
Serial | Arduino Documentation
Nov 20, 2024 · 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), …
Universal Asynchronous Receiver-Transmitter (UART) - Arduino Docs
Sep 4, 2024 · In this article, you will learn the basics of Universal Asynchronous Receiver-Transmitter (UART), a serial communication protocol that can be used to send data between …
Serial.begin() | Arduino Documentation
Jun 12, 2025 · You can use any baud rate and configuration for serial communication with these ports. See the list of available serial ports for each board on the Serial main page.
Serial Call and Response (handshaking) | Arduino Documentation
Oct 2, 2024 · This example demonstrates multi-byte communication from the Arduino board to the computer using a call-and-response (handshaking) method. This sketch sends an ASCII A …
Digital Read Serial | Arduino Documentation
Oct 2, 2024 · In the program below, the very first thing that you do will in the setup function is to begin serial communications, at 9600 bits of data per second, between your board and your …
Serial communication (UART) | Arduino Documentation
Jan 30, 2025 · Universal Asynchronous Receiver-Transmitter, or UART, is one of the simplest and most widely used communication protocols for connecting devices. It enables point-to-point …
Serial Input Basics - updated - Tutorials - Arduino Forum
Apr 25, 2016 · When anything sends serial data to the Arduino it arrives into the Arduino input buffer at a speed set by the baud rate. At 9600 baud about 960 characters arrive per second …
Inter-Integrated Circuit (I2C) Protocol | Arduino Documentation
What Is I2C? The I2C protocol involves using two lines to send and receive data: a serial clock pin (SCL) that the Arduino Controller board pulses at a regular interval, and a serial data pin …
Using the Serial Monitor tool | Arduino Documentation
Feb 12, 2024 · The Serial Monitor is an essential tool when creating projects with Arduino. It can be used as a debugging tool, testing out concepts or to communicate directly with the Arduino …
Serial Call and Response (handshaking) with ASCII-encoded output
Oct 2, 2024 · This example demonstrates string-based communication from the Arduino board to the computer using a call-and-response (handshaking) method. The sketch sends an ASCII …