+# Copyright (c) 2012, Fabian Affolter <email@example.com>
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are met:
+# * Redistributions of source code must retain the above copyright notice, this
+# list of conditions and the following disclaimer.
+# * Redistributions in binary form must reproduce the above copyright notice,
+# this list of conditions and the following disclaimer in the documentation
+# and/or other materials provided with the distribution.
+# * Neither the name of the pyfirmata team nor the names of its contributors
+# may be used to endorse or promote products derived from this software
+# without specific prior written permission.
+# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ''AS IS'' AND ANY
+# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+# DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+# ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+# Time (approx. seconds) to get to the maximum/minimum
+# Numbers of steps to get to the maximum/minimum
+# Adjust that the port match your system, see samples below:
+# On Linux: /dev/tty.usbserial-A6008rIF, /dev/ttyACM0,
+# On Windows: \\.\COM1, \\.\COM2
+board = pyfirmata.Arduino(PORT)
+print "Setting up the connection to the board ..."
+# Definition of the pin, one with PWM, marked as ~XX on the Arduino
+digital_0 = board.get_pin('d:11:p')
+# Waiting time between the
+wait_time = DURATION/float(STEPS)
+# Note: Value range for PWM is 0.0 till 1.0
+for i in range(1, STEPS + 1):
+increment = 1/float(STEPS)
+ value = increment * STEPS