new_contents: import RPi.GPIO as GPIO
  GPIO.setmode(GPIO.BOARD)
  GPIO.setup(11, GPIO.OUT)
  
  dc = 5
  
  servo = GPIO.PWM(11,50)
  servo.start(10)
  print('***Connect Battery & Press ENTER to start')
  res = raw_input()
  servo.ChangeDutyCycle(dc) #servo.ChangeDutyCycle(5)
  print('***Press ENTER to start')
  res = raw_input()
  
  print ('increase > a | decrease > z | save Wh > n | set Wh > h|quit > 9')
  
  cycling = True
  try:
      while cycling:
          servo.ChangeDutyCycle(dc)
          res = raw_input()
          if res == 'a':
              dc = dc + 0.05
          if res == 'z':
              dc = dc - 0.05
          if res == 'h':
              mymotor.setWh()
          if res == '9':
              cycling = False
  finally:
      # shut down cleanly
      servo.stop()
      print ("dc var setting is: ")
      print (dc)
  
  
  print('***Press ENTER to quit')
  res = raw_input()
  servo.stop()
  GPIO.cleanup()
  
subject: add motor.py