基于单片机的万年历

Design of electronic calendar based on 51 single chip microcomputerAbstract:In today's society,there is a common and increasingly popular daily timer,which is the electronic calendar.The electronic calendar can not only schedule time,month,day,week,time,minute,and second,but also compensate for leap year.Theuse of visual digital display is the common practice of digital electronic calendar.It can not only calibrate the time,but also display the information at the sametime,such as year,month,day,week,time,minute,second and temperature.The systemsoftware is designed in C language.The C language is concise and easy to use.Itis very convenient for software design.The program uses modular design,making thelogical relationship simple and easy to maintain.The system takes the single chip computer as the core and combines the hardware andsoftware technology to simplify the hardware and improve the stability of the system.The LED display circuit and keyboard circuit are used to make the human-computerinteraction easy and easy.In addition,the calendar can display year,month,dayand time with the watchdog and power supply circuit.It has a lot of advantages,such as small size,can be easily read,and can be displayed intuitively.It is asimple and clear circuit with very low cost.Keywords:AT89S52;clock chip DS1302;