RTC Real Time Clock Module DS3231 High Precision 3.3V/5V for Arduino Raspberry Pi 5 Pack

This 5-pack of DS3231 high precision RTC real time clock modules is designed for 3.3V and 5V systems, making it versatile for various projects like Arduino and Raspberry Pi. It provides continuous timing with battery backup and a complete calendar function, including second, minute, hour, week, date, month, and year, with leap year compensation until 2100. The module boasts timing accuracy of ±5 PPM over a wide temperature range and integrates a ±3°C precision digital temperature sensor, communicating via a 400 KHz I2C serial bus while maintaining low power consumption.