The DS3231SN#T&R is a highly accurate Real-Time Clock (RTC) module that provides precise timekeeping for a wide range of applications. With its integrated quartz crystal and temperature-compensated oscillator, this module ensures accurate timekeeping over an extended period without any external adjustments. This compact and efficient module offers a range of features that make it a versatile solution for various applications. It supports both 12-hour and 24-hour formats, along with a programmable alarm system with multiple interrupt outputs. The DS3231SN#T&R also includes a built-in temperature sensor, enabling temperature monitoring and calibration capabilities. The DS3231SN#T&R operates on a low power supply, making it ideal for battery-powered devices. It also features a battery backup system that allows it to continue timekeeping even during power interruptions. Designed for ease-of-use, the DS3231SN#T&R is compatible with both I2C and SMBus interfaces, allowing straightforward integration into existing systems. With its high level of accuracy and reliability, this RTC module is perfect for applications such as digital clocks, data loggers, smart home devices, and more.