此电子钟由数码管，C8051F330单片机，蜂鸣器，两个按键组成。可实现分秒时调节（双闪），闹钟设置（三闪），日期设置（双闪小数点不闪）。任意键关闭闹钟。闹钟,时间，日期，单键切换显示。调时长按加速累加，三十不动自动复位。-Theelectronic clockbydigital, C8051F330microcontroller,buzzer,twokeycomponents.Adjustmentcan be achieved whenthe minutes and seconds(double flash),alarm settings(threeflashes), the dateset(double flashof the decimal pointdoes notflash).Any key toturn off the alarm.Alarm clock,time, date,one-touchswitch display.Long pressto acceleratewhenthe cumulativeadjustment, thirtydoes not moveautomatically reset.