Digital Calender Circuit


Posted on Feb 4, 2014

Here is calendar digital circuit. this circuit using Microcontroller is an advanced digital calendar, which displays the Date, Day, Month over the LED display. All the above systems are controlled by the Microcontroller. It has an 8 bit Microcontroller which runs on the Program embedded on its ROM. Separate LED`s are provided for the date, day, a


Digital Calender Circuit
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nd month. The system has an battery backup so that it can run over all the time even during the power failure. Totally there are 31 LED`s for indicating the date and 12 LED`s for indicating the Month and 7 LED`s to indicate the day. In our project we are using the popular 8 bit microcontroller AT89C2051. It is a 20 pin microcontroller. Here is a schematic drawing:




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