产品详情
说明： 用8051单片机和18b20时钟芯片设置时钟，并能设置成闹钟
(By 8051 and 18b20 clock chip set the clock, and can set the alarm)
(By 8051 and 18b20 clock chip set the clock, and can set the alarm)
文件列表：
可调时钟%2B闹钟.c,7903,2010-09-01
