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Sonsivri > Electronics > General Electronics (Moderators: o2, pickit2) > Real time digital clock based on 89C51
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ppa88
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« on: October 01, 2007, 01:59:48 13:59 »
Here is a RTC with LCD display using 89C51RD2 tested in Proteus.

http://rs177.rapidshare.com/files/59507756/cakes.rar

Use the four buttons for setting time and alarm. The PC speaker has been used for alarm.
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