View Ds1307 Rtc Module Pictures. The 24c32 eeprom uses i2c interface for communication and shares the same i2c bus as ds1307. It can be used to save settings or really anything.
When you first use this module, you need to solder some header pins. You can also follow this guide for other similar modules. This post is about how to use the ds1307 real time clock (rtc) module with the arduino.
You can also follow this guide for other similar modules.
Readme file for ds1307rtc library. The 24c32 eeprom uses i2c interface for communication and shares the same i2c bus as ds1307. On top of that, it contains a holder to connect a 20mm 3v lithium coin cell. Let's explore, how to interface ds1307 rtc module with arduino uno.