Real Time Clock RTC DS1307 Module

Sparkfun ElectronicsSKU: RB-Spa-948
Manufacturer #: BOB-12708

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Sale price $17.50
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In stock


  • Real time clock (RTC) module
  • Uses the DS1307 to keep track of date and time
  • Comes fully assembled and pre-programmed
  • Two wire I2C interface

The Real Time Clock RTC DS1307 Module uses the DS1307 to keep track of the current year, month, day as well as the current time. The module includes a small CR1225 Lithium coin cell battery that will run the RTC for a minimum of 9 years (17 years typical) without an external 5V power supply.


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