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 ...

Posted in Arduino Hacks, clock hacks Tagged arduino, Arduino Leonardo, battery, clock, coin cell, DS1307 RTC, led matrix, led matrix display, matrix, real time clock ...

What is the DS1307 RTC? The DS1307 serial real-time clock (RTC) is a lowpower, full binary-coded decimal (BCD) clock/calendar plus 56 bytes of NV SRAM. Address and data are transferred serially ...