text: from gpiozero import Robot, MCP3008
  from gpiozero.tools import scaled
  from signal import pause
  
  robot = Robot(left=(4, 14), right=(17, 18))
  
  left = MCP3008(0)
  right = MCP3008(1)
  
  robot.source = zip(scaled(left.values, -1, 1), scaled(right.values, -1, 1))
  
  pause()
  