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Master Serial Port Programming in C: A Comprehensive Technical Guide

"Serial communication remains the backbone of embedded systems, industrial automation, and hardware debugging. Despite the prevalence of high-speed protocols like USB and Ethernet, the classic UART (Universal Asynchronous Receiver-Transmitter) interface—often exposed via RS-232 or USB-to-Serial adapters—remains the gold standard for robust, low-complexity communication between microcontrollers, sensors, and computers. Using the C programming language to interface with these ports provides the level of low-level control required for hardware-level latency management and memory efficiency. The Foundations of Serial Communication in C Serial port..."

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