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UART (Universal Asynchronous Receiver/Transmitter) is a widely employed serial communication protocol that facilitates data transmission between microcontrollers, computers, and other digital devices in a serial format. Without requiring a synchronized clock signal, UART organizes data frames through a start bit, data bits, an optional parity bit, and a stop bit. This simple and flexible communication method is suitable for short-range, low-speed data transfer applications. Supporting full-duplex communication, UART allows simultaneous bidirectional data transmission, enhancing communication efficiency. Due to its low cost, ease of implementation, and widespread compatibility, UART is highly popular in embedded systems, computer peripherals, and numerous industrial applications.
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