DIY Arduino Aquarium Controller Part12: DS1307 Real Time Clock (I2C tiny RTC) and Arduino

This covers wiring the DS1307 RTC for use with the Arduino, basic functions and coding for setting time and date and retrieving it, and how I use this in my main controller program.

Links:
Tiny I2C RTC on ebay:

DFRobot page with library at bottom (tinyURL link added to fix link):

my RTC demo sketch:

Main Tank routine v05 sketch:

[digitalcowboy]

This is awesome stuff, I can’t wait to see how you interface it with the raspberry pi.