Clock-Calender using DS3231+GLCD+Atmega32

Any DIYer feels an unknown attraction for making a clock.Either you are a noob or a professional or a diyer like me,at a certain point of our working span,the urge for making a clock is felt.So here I am with my brand new instructables about how to make an extremely accurate+Good looking clock-calender. This clock is based on DS3231 chip which is basically the upgraded version(with many additional features) of DS1307.The DS1307 uses an external crystal(32.768KHz) for it’s counting.But the counting gets slow/fast depending on the external temperature.As the temp rises/falls,the crystal gets drifted and as a result,the DS1307 gets slow/fast.”

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