The RTC EEPROM Module DS3231 is a high accuracy real-time clock with battery backup, 4k x 8-bit EEPROM and I2C interface.
Features:
Highly accurate timekeeping with temperature compensation
Provides seconds / minutes / hours / date / day of week and year with leap-year compensation
12 / 24 hour formats
Two programmable time-of-day alarms
Programmable square wave output
Digital temperature sensor
AT24C32 4K x 8-bit EEPROM non-volatile memory
CR2032 battery backup (included)
I2C interface
Power LED
3.3 and 5V compatible
Packing Includes:
1 X RTC EEPROM Module DS3231
Note: Battery is not included with the package. You have to buy it seperately from here.
Lithium Battery CR2025 (Japan)
Lithium Battery CR2025
