def serial_ports():
df_comports = sd.comports()<EOL>df_teensy_comports = df_comports.loc[df_comports.hardware_id.str<EOL>.contains('<STR_LIT>',<EOL>case=False)]<EOL>return df_teensy_comports<EOL>
Returns
-------
pandas.DataFrame
    Table of serial ports that match the USB vendor ID and product ID for
    the `Teensy 3.2`_ board.

.. Teensy 3.2: https://www.pjrc.com/store/teensy32.html