old_contents: #!/usr/bin/env python
  #
  # Jetduino Example for using the Grove LED for LED Fade effect (http://www.seeedstudio.com/wiki/Grove_-_LED_Socket_Kit)
  #
  # The Jetduino connects the Jetson and Grove sensors.  You can learn more about the Jetduino here:  http://www.NeuroRoboticTech.com/Projects/Jetduino
  #
  # Have a question about this example?  Ask on the forums here:  http://www.NeuroRoboticTech.com/Forum
  #
  
  '''
  ## License
  
  The MIT License (MIT)
  
  GrovePi for the Raspberry Pi: an open source platform for connecting Grove Sensors to the Raspberry Pi.
  Copyright (C) 2015  Dexter Industries
  
  Jetduino for the Jetson TK1/TX1: an open source platform for connecting 
  Grove Sensors to the Jetson embedded supercomputers.
  Copyright (C) 2016  NeuroRobotic Technologies
  
  Permission is hereby granted, free of charge, to any person obtaining a copy
  of this software and associated documentation files (the "Software"), to deal
  in the Software without restriction, including without limitation the rights
  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  copies of the Software, and to permit persons to whom the Software is
  furnished to do so, subject to the following conditions:
  
  The above copyright notice and this permission notice shall be included in
  all copies or substantial portions of the Software.
  
  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  THE SOFTWARE.
  '''
  
  import time
  import jetduino
  from jetduino_pins import *
  
  # Connect the Grove LED to digital port D4, and potentiometer to A0
  # SIG,NC,VCC,GND
  pot = ARD_A0
  led = ARD_D4
  
  # Digital ports that support Pulse Width Modulation (PWM)
  # D2-D13, DAC1, DAC2
  
  # Digital ports that do not support PWM
  # D14-D54
  
  jetduino.pinMode(pot, INPUT_PIN)
  jetduino.pinMode(led, OUTPUT_PIN)
  time.sleep(1)
  
  oldVal = -1
  
  while True:
      try:
          #Read in the value from the pot.
          val = jetduino.analogRead(pot)
  
          #convert to 8-bit
          newVal = int(jetduino.mapValue(val, 0, 1023, 0, 255))
  
          # Give PWM output to LED if value changed.
          if newVal <> oldVal:
              jetduino.analogWrite(led, newVal)
              oldVal = newVal
              print ("LED: %d" % newVal)
  
          # sleep
          time.sleep(.25)
  
      except KeyboardInterrupt:
          jetduino.analogWrite(led,0)
          break
      except IOError:
          print ("Error")
  
new_contents: #!/usr/bin/env python
  #
  # Jetduino Example for using the Grove LED for LED Fade effect (http://www.seeedstudio.com/wiki/Grove_-_LED_Socket_Kit)
  #
  # The Jetduino connects the Jetson and Grove sensors.  You can learn more about the Jetduino here:  http://www.NeuroRoboticTech.com/Projects/Jetduino
  #
  # Have a question about this example?  Ask on the forums here:  http://www.NeuroRoboticTech.com/Forum
  #
  
  '''
  ## License
  
  The MIT License (MIT)
  
  GrovePi for the Raspberry Pi: an open source platform for connecting Grove Sensors to the Raspberry Pi.
  Copyright (C) 2015  Dexter Industries
  
  Jetduino for the Jetson TK1/TX1: an open source platform for connecting 
  Grove Sensors to the Jetson embedded supercomputers.
  Copyright (C) 2016  NeuroRobotic Technologies
  
  Permission is hereby granted, free of charge, to any person obtaining a copy
  of this software and associated documentation files (the "Software"), to deal
  in the Software without restriction, including without limitation the rights
  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  copies of the Software, and to permit persons to whom the Software is
  furnished to do so, subject to the following conditions:
  
  The above copyright notice and this permission notice shall be included in
  all copies or substantial portions of the Software.
  
  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  THE SOFTWARE.
  '''
  
  import time
  import jetduino
  from jetduino_pins import *
  
  # Connect the Grove LED to digital port D5
  # SIG,NC,VCC,GND
  led = ARD_D5
  
  # Digital ports that support Pulse Width Modulation (PWM)
  # D2-D13, DAC1, DAC2
  
  # Digital ports that do not support PWM
  # D14-D54
  
  jetduino.pinMode(led, OUTPUT_PIN)
  time.sleep(1)
  i = 0
  
  while True:
      try:
          # Reset
          if i > 255:
              i = 0
  
          # Current brightness
          print (i)
  
          # Give PWM output to LED
          jetduino.analogWrite(led,i)
  
          # Increment brightness for next iteration
          i = i + 20
          time.sleep(.5)
  
      except KeyboardInterrupt:
          jetduino.analogWrite(led,0)
          break
      except IOError:
          print ("Error")
  
subject: Reset the grove_led_fade example.