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If using on a Raspberry Pi platform:
 
In order to use GPIO pins 14 and 15 as a serial interface on the Raspberry Pi,
you need to disable the built-in Bluetooth adaptor. This distribution will not
operate correctly without this being done.
 
To disable Bluetooth on the Pi, edit the C</boot/config.txt>, and add the
following line:
 
    dtoverlay=pi3-disable-bt-overlay
 
Save the file, then reboot the Pi.
 
=head1 METHODS
 
=head2 new($device, $baud);
 
Opens the specified serial port at the specified baud rate, and returns a new
L<RPi::Serial> object.