Python serial port access library
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zsquareplusc Merge pull request #342 from mghicho/buffer_size_fixed
Fixed the docstring for the set_buffer_size function.
Latest commit a27715f Jul 3, 2018


pySerial Build status Documentation


This module encapsulates the access for the serial port. It provides backends for Python running on Windows, OSX, Linux, BSD (possibly any POSIX compliant system) and IronPython. The module named "serial" automatically selects the appropriate backend.

BSD license, (C) 2001-2017 Chris Liechti <>


For API documentation, usage and examples see files in the "documentation" directory. The ".rst" files can be read in any text editor or being converted to HTML or PDF using Sphinx. An HTML version is online at


Examples and unit tests are in the directory examples.


pip install pyserial should work for most users.

Detailed information can be found in documentation/pyserial.rst.

The usual for Python libraries is used for the source distribution. Windows installers are also available (see download link above).


To install this package with conda run:

conda install -c conda-forge pyserial

conda builds are available for linux, mac and windows.