Real Time Clock Module - DS1307 RTC Breakout Board

This a custom designed module for the DS1307 Real Time Clock. The module comes fully assembled and pre-programmed with the current time (ok, so it's our current time - MST). The included Lithium coin cell battery (CR1225 41mAh) will run the module for a minimum of 9 years (17 years typical) without external 5V power. The DS1307 is accessed via the I2C protocol. We've written a test-bed to program the modules. This test-bed code should give you some insight on how to interface the module to any microcontroller using our example software I2C and BCD routines.

Features:

Two wire I2C interface

Hour : Minutes : Seconds AM/PM

Day Month, Date - Year

Leap year compensation

Accurate calendar up to year 2100

Battery backup included

1Hz output pin

56 Bytes of Non-volatile memory available to user

Dimensions: 0.75x0.75" (20x20mm)

Documents:

RTC Module Schematic

RTC Module Dimensional Drawing

DS1307 Datasheet

Wiring Example

Software:

Example 16F88 code

Arduino Tutorial. Thanks John Vaughters!

Arduino Tutorial in Portuguese. Thanks Daniel Gonçalves!

Bildr Tutorial