Ds3231 Real Time Clock (rtc) Module

The DS3231 Real-Time Clock (RTC) Module is a high-precision timekeeping device designed for accurate date and time tracking in electronic projects. Unlike standard RTC modules, the DS3231 features a built-in temperature-compensated crystal oscillator (TCXO), ensuring exceptional accuracy even in varying environmental conditions.

This module communicates via the I2C interface, making it easy to integrate with Arduino, Raspberry Pi, ESP32, and other microcontrollers. It also includes a backup battery slot, allowing it to maintain accurate time even when the main power supply is disconnected.

Ideal for clocks, data loggers, scheduling systems, and automation projects, the DS3231 RTC module delivers reliable performance for both beginners and professionals.

Key Features

• High Accuracy – Built-in temperature-compensated crystal oscillator (TCXO)

• Battery Backup – Keeps time running during power loss (CR2032 battery support)

• I2C Interface – Simple communication with most microcontrollers

• Low Power Consumption – Efficient for long-term projects

• Real-Time Tracking – Maintains seconds, minutes, hours, day, date, month, and year

• Onboard EEPROM (AT24C32) – Additional memory for data storage

• Wide Compatibility – Works with Arduino, Raspberry Pi, ESP32, STM32, and more

Specifications

• Model: DS3231 RTC Module

• Clock Chip: DS3231

• Interface: I2C (SCL, SDA)

• Operating Voltage: 3.3V – 5V

• Time Format: 12-hour / 24-hour

• Battery Support: CR2032

• Memory: AT24C32 EEPROM

• Application: Timekeeping, alarms, scheduling, data logging