5PCS DS3231 AT24C32 Real Time Clock Timer Module IIC RTC for Arduino NEW

Features:
*Accurate & Reliable Timekeeping: DS3231 RTC module maintains precise seconds, minutes, hours, day, date, month, and year, ensuring your projects stay on schedule.
*Uninterrupted Operation with Battery Backup: Onboard battery holder (CR2032 NOT INCLUDED) provides continuous timekeeping even during power outages, preventing data loss.
*Automatic Leap Year Correction: Forget manual adjustments! This module automatically compensates for leap years up to 2100, ensuring long-term accuracy.
*Versatile Programmability: Features two independent time-of-day alarms and a programmable square-wave output for advanced timing and synchronization applications.
*Easy Integration with Arduino & Microcontrollers: Utilizes a simple I2C interface for seamless communication with Arduino, Raspberry Pi, and other popular platforms.

Specifications:
*Dimensions: 38mm x 22mm
*Working voltage: 3.3V - 5.5V
*Clock chip: High-precision DS3231M
*Memory chips: AT24C32 (32K Storage Capacity)
*Clock accuracy: 0-40°C, accuracy 2ppm, annual error about 1 minute
*Programmable square-wave timer output signal
*Two time-of-day alarms, square-wave output. Simple serial interface connects to most microcontrollers. Real-time clock can generate seconds, minutes, hours, day, date, month and year, and provide time until 2100, and with leap year compensation
*IIC bus interface, the maximum transmission speed of 400KHz (working voltage of 5V).
*Other IIC devices can be cascaded, 24C32 address can be modified by a short circuit A0/A1/A2, the default address is 0x57.
*CR2032 battery backup input for continuous time keeping (battery is not included).

Package Includes:
5X DS3231 AT24C32 Real Time Clock Timer Module (Battery not included)