Plug the RFID module into the breadboard with enough space around it. Connect the VCC pin to the Arduino's 3.3V (not 5V), and ...

In this article you will learn how to make a digital clock using Arduino and the DS1307 RTC IC. What is DS1307 IC actually ... This is due to the reason that DS1307 communicates through I2C interface.

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 ...

An Arduino library is available to interface with the modules ... By adding an Arduino compatible board, an RTC Arduino module, and a code from the EasyNixie library, users can create their ...