A universal asynchronous receiver-transmitter (UART / ˈjuːɑːrt /) is a peripheral device for asynchronous serial communication in which the data format and transmission speeds are configurable.

UART stands for Universal Asynchronous Receiver/Transmitter. It’s not a communication protocol like SPI and I2C, but a physical circuit in a microcontroller, or a stand-alone IC.

May 17, 2024 · UART or Universal Asynchronous Receiver Transmitter is a dedicated hardware associated with serial communication. The hardware for UART can be a circuit integrated on the …

UART, or universal asynchronous receiver-transmitter, is one of the most used device-to-device communication protocols. This article shows how to use UART as a hardware communication …

Aug 25, 2025 · The Universal Asynchronous Receiver Transmitter (UART) is a simple communication protocol. That allows two devices to send and receive data asynchronously, without using a clock …

Sep 13, 2025 · UART (Universal Asynchronous Receiver-Transmitter) is a hardware communication protocol. It lets devices transfer data asynchronously with adjustable speed and format settings. …

Sep 12, 2025 · What is a UART? A UART is a hardware component specialized in asynchronous data transmission. It is responsible for converting parallel data (such as that coming from a microcontroller …

Jun 3, 2025 · Turns out, UART is a physical section of circuitry involving a large scale integrated circuit, that is in essence a translator between parallel and serial data lines. There are “stand-alone” UART …

UART (Universal Asynchronous Receiver/Transmitter) is one of the simplest ways for two devices to exchange data with each other. Unlike other protocols such as SPI or I2C, UART only needs two …

What is UART? UART is a hardware communication protocol that enables two devices to exchange data serially — one bit at a time — without the need for a shared clock signal.