说明：  基于AVR单片机的机械旋转时钟，将机械和电子完美的结合，具有一定的艺术性，做好后放在家里可以当艺术品
(Based on AVR microcontroller mechanical rotary clock, would be the perfect combination of mechanical and electronic, has a certain artistic quality, do a good job at home can be as works of art after)