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pySerial
Overview
This module encapsulates the access for the serial port. It provides backends for Python running on Windows, Linux, BSD (possibly any POSIX compliant system), Jython and IronPython (.NET and Mono). The module named "serial" automatically selects the appropriate backend.
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1. pyserial (http://pyserial.wiki.sourceforge.net/pySerial)
2. pywin32 (http://sourceforge.net/projects/pywin32/)
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