只要改变图中1μF的电容量可改变闪灯的频率。http://hi.baidu.com/%B3%C2%BC%E1%B5%C0/album/item/7f60dc30bdbb4a865fdf0e35.htmlhttp://hi.baidu.com/%B3%C2%BC%E1%B5%C0/album/item/6d91d31dad090ca587d6b61a.html
