title: name error on serial comm with pi to arduino
body: <p>Hi i have the following code and keep getting this error message:</p>
  
  <p>NameError: name 'serial' is not defined</p>
  
  <p>I have copied this code off numerous tutorials and it just won't work can somebody tell me why?</p>
  
  <pre><code>from serial import*
  ser = serial.Serial('/dev/ttyACM0', 9600)
  
  while 1:
      ser.readline()
  </code></pre>