ds1337
There are 4 repositories under ds1337 topic.
stevemarple/RTCx
Arduino library to support DS1307 and similar I2C real-time clocks. The library can autoprobe to find the actual hardware based on I2C address and registers.
Yevgeniy-Olexandrenko/scott-calculator
SCOTT+ - credit card sized scientific RPN calculator with watch. Hardware and firmware based on https://github.com/zooxo/scott.
felias-fogg/RTC_I2C
This is an Ardunio library implementing a unified, minimalistic interface to many I2C RTCs
dorinbotan/M1280-Board-Drivers
ATmega1280 development board drivers.