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Serial port - Wikipedia
What is a Serial Port? - Computer Hope
How To Detect the COM Port for Any Serial Device in Windows
How Serial Ports Work | HowStuffWorks
Serial Port Definition - What is a serial port? - TechTerms.com
Serial Terminal Basics - SparkFun Learn
What is Serial Port? - GeeksforGeeks
Serial Communication - SparkFun Learn
Programming Installation of Serial Ports and COM Ports
Serial communication - Wikipedia