Description: Commonly used serial communication, serial numbers up to 255, can automatically identify the serial number available, the use of API, and free installation
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File list (Check if you may need any files):
COM_API\Class1.cls
.......\COM_API.frm
.......\COM_API.frx
.......\COM_API.vbp
.......\COM_API.vbw
.......\MSSCCPRJ.SCC
COM_API
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