3 unit of DS1307 RTC module with CR2032 battery compartment for arduino and other projects requiring time keeping.
Single unit Rs. 95 + actual shipping (assuming which will not be more than Rs.45 anywhere in India by speedpost )
Module unit with cr2032 battery Rs. 110 + actual shipping
All three units if bought together will cost Rs. 325 shipped anywhere in India.
Al three units with battery will cost Rs. 350 shipped anywhere in India
The DS1307 is accessed via the I2C protocol.
Two wire I2C interface.
Hour:Minutes : Seconds AM/PM.
Day Month, Date - Year.
1Hz output pin.
56 Bytes of Non-volatile memory available to user.
eg usage
http://www.electroschematics.com/8921/digital-clock-with-arduino-and-ds1307/whatsapp @ 9810209995 for details
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