def attributes
      super.merge({
		:motors => motors.size,
		:encoders => encoders.size,
		:inputs => inputs.size,
		:sensors => sensors.size,
		:ratiometric => ratiometric
      })
    end
def attributes
      super.merge({
		:motors => motors.size,
		:encoders => encoders.size,
		:inputs => inputs.size,
		:sensors => sensors.size,
		:ratiometric => ratiometric
      })
    end
The attributes of a PhidgetMotorControl