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<p>UART stands for Universal Asynchronous Receiver-Transmitter. UART is a type of serial communication interface designed to transmit and receive data via a data bus. It allows two devices, such as computers, to carry out data transmission over a wired connection. UARTs convert incoming and outgoing data bytes into a serial bit stream. Asynchronous is a type of serial communication where the interfaces at each end are not synchronised by a common clock signal.</p><p>These particular UART devices are stand-alone integrated circuits (ICs). However, you can also find UARTs within microcontrollers (MCUs), as they only require two wires for communication.</p><p>UART ICs (integrated circuits) are semiconductor devices which can be integrated into your electronics designs to enable UART communication. UART is a popular method of communication in electronics projects. It enables computer hardware to communicate with other modems and serial devices.</p><p>When choosing a UART IC, ensure that it meets the requirements of the modem transmission rate.</p><h2>What does a UART consist of?</h2><p>One side of the UART feature around 8 data lines and the control pins. The other side of the UART has two serial wires, the Transmission (TX) and the Receiving (RX).</p><h2>Where is UART used?</h2><ul><li>Microcontroller based devices</li><li>GPS receivers</li><li>Bluetooth devices</li><li>Modems</li><li>Wireless communications</li></ul><h2>Communication Standards</h2><p>UARTs may feature a communication standard which defines the signals between devices. These standards include RS-232, RS-422 and RS-485.</p><h2>What is baud rate?</h2><p>UART baud rate is the speed at which the data is transferred which is given in bits per second (bit/s or bps). The devices that you are communicating between should both have the same baud rate.</p>

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