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Serial

Communication using serial port interface

Serial communication is the most common low-level protocol for communicating between two or more devices. You can effectively use serial communication via Universal Asynchronous Receiver-Transmitter (UART) to exchange, control, and automate across applications using your Arduino® board and host computer.

Blocks

Serial ReceiveReceive data over Arduino serial port
Serial TransmitTransmit data over Arduino serial port
Serial Receive SAMDReceive data over Arduino SAM D21 core serial port (Since R2026a)
Serial Transmit SAMDTransmit data over Arduino SAM D21 core serial port (Since R2026a)

Model Settings

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Serial Baud RateSet baud rate of serial port
Serial ConfigurationData frame configuration for serial port communication (Since R2023a)

Topics

Featured Examples