Experiment 1 Practice input-output Arduino digital and analog serial communication.

Mission	Time	Contents
	15	Course introduction (Arduino, bread board, resistance, light sensor, temperature sensor)
	5	Achievement pretest: http://goo.gl/b9MKRaExpectation pretest: http://goo.gl/5LwAl0
1	10	Bilking LED and controlling speed
2	10	Turning on and off LED depending on the brightness
3	10	Reading temperature and printing on computer monitor with serial port