摘要：Clock is one of the tools required by the community. The use of an analog clockstarts up based digital still used. Besides the existence of a timer and an alarmtime is also needed. Currently the presence of hours almost always equippedwith a timer and an alarm time. This tool is designed not only as a clock, butalso added other features such as forward and back timer, and alarm time byusing AT892051 microcontroller Ic that makes this tool easy to make and use isalso very useful functions for consumer.
