Description

The DS3231 High-Precision RTC Real-Time Clock Module is a cost-effective and highly accurate timekeeping solution. Featuring an integrated temperature-compensated crystal oscillator (TCXO) and crystal, this module ensures reliable timing even in the most demanding environments. With a built-in battery backup, the module retains precise timekeeping even when the main power supply is interrupted. Its I2C interface simplifies communication, and the module’s compact design makes it ideal for a wide range of applications. The DS3231 also includes a temperature sensor for enhanced functionality, providing a versatile solution for embedded systems.

Why Choose the DS3231 RTC Module?

The DS3231 RTC Module combines high accuracy with robust performance. Its ability to maintain timing during power outages, thanks to the integrated battery backup, makes it an excellent choice for time-sensitive projects. With features like programmable square wave output, dual alarms, and leap year adjustments, the DS3231 is ideal for precise and uninterrupted timekeeping.

Key Features

High Accuracy: Integrated TCXO ensures exceptional clock precision with an annual error of about 1 minute at 0-40°C.
Backup Power: Includes a CR2032 battery to maintain operation during power outages.
Comprehensive Timekeeping: Tracks seconds, minutes, hours, days, weeks, months, and years, with leap year adjustments valid until 2100.
Dual Alarms: Configurable calendar alarms for flexible scheduling.
Temperature Sensor: Integrated sensor with ±3°C accuracy.
Programmable Output: Square wave output for additional functionality.
Compact and Lightweight: Dimensions of 39mm × 23mm × 14mm and a weight of just 5.29g.
Reliable Communication: I2C interface with a maximum transmission speed of 400kHz.
Cascadable Design: Supports cascading with other I2C devices; default storage chip address is 0x57.
Robust Build: Includes an AT24C32 storage chip with a capacity of 32K.

Technical Specifications

Chip: DS3231 RTC
Storage: AT24C32, 32K capacity
Interface: I2C
Clock Accuracy: ±2ppm at 0-40°C
Working Voltage: 3.3V to 5.5V
Battery Backup: CR2032
Dimensions: 39mm × 23mm × 14mm
Temperature Sensor Accuracy: ±3°C
Programmable Output: Square wave
Calendar Features: Dual alarms, leap year adjustments

Applications

Embedded Systems: Reliable timekeeping for microcontroller-based designs.
Data Logging: Timestamping events with precise time and date information.
IoT Devices: Maintain synchronised timing for networked systems.
Industrial Automation: Schedule and track operations efficiently.
Alarm Systems: Set flexible alerts with dual alarm functionality.
Home Automation: Enable smart scheduling and time-sensitive tasks.

The DS3231 High-Precision RTC Real-Time Clock Module delivers unparalleled accuracy and functionality, making it a perfect choice for projects that require dependable timekeeping.