
Description:
The DS3231 Real Time Clock (RTC) Module is a highly accurate and reliable timekeeping solution designed for Arduino, ESP32, ESP8266, Raspberry Pi, STM32, AVR, PIC, and other microcontroller-based projects. Featuring the advanced DS3231 RTC chip with a built-in temperature-compensated crystal oscillator (TCXO), this module provides precise time and date information with minimal drift, making it ideal for applications that require accurate timing.
Unlike standard RTC modules, the DS3231 offers exceptional accuracy across a wide temperature range. The module also includes an onboard AT24C32 EEPROM memory chip, allowing users to store configuration settings, logs, and other important data. Communication is achieved through the simple I2C interface, reducing wiring complexity and making integration quick and easy.
This RTC module is perfect for data logging systems, digital clocks, automation projects, IoT devices, smart home applications, attendance systems, alarms, timers, weather stations, and industrial monitoring solutions. Even when the main power supply is disconnected, the module can maintain accurate timekeeping when connected to a backup battery (battery not included).
Specifications:
- Model: DS3231
- Item Type: (RTC) Module
- Interface Type: 12C
- Operating Voltage: 3.3V – 5V DC
- Temperature Compensation: Yes

Features:
- High-Precision DS3231 RTC Chip
- Built-in Temperature Compensation (TCXO)
- Accurate Time & Date Tracking
- AT24C32 EEPROM Memory Onboard
- I2C Interface for Easy Communication
- Battery Backup Support (Battery Not Included)
- Low Power Consumption Design
- Compatible with Arduino, ESP32 & Raspberry Pi
- Automatic Leap Year Correction
- Programmable Alarm Functions
- Compact and Easy-to-Use Module
- Reliable Long-Term Timekeeping
- Ideal for IoT, Data Logging & Automation Projects
- Pre-Soldered Pins for Quick Prototyping
Package included:
1 x DS3231 RTC Module Without Battery