The most popular RTC for the Arduino is the DS1307. However, it does have some drawbacks, the most notable of which is that its operating voltage is 5v, which means it cannot be used with 3.3v ...

In this article you will learn how to make a digital clock using Arduino and the DS1307 RTC IC. What is DS1307 IC actually? Well, it is a Real Time Clock (RTC) IC that is simple to use, low cost and ...

1307 RTC 2 Articles Light Duty Timekeeping: Arduino Berlin Clock December 1, 2015 by Kristina Panos 13 Comments ...

Developers, makers and hobbyists looking for a real time clock module complete with an Arduino library, may be interested in the Kraztech Real Time Clock Module created by developer Christopher ...

The Arduino uses latitude and longitude to help decide when to click on the lights, so it's incredibly accurate. Otherwise, the build just includes an on/off switch, a Tiny RTC, a time adjustment ...

Posted in Arduino Hacks, clock hacks Tagged 1307 RTC, arduino nano, Berlin clock, blinkenlights, clock, set theory, set theory clock, shift registers ...