DS3231 AT24C32 IIC I2C Precision Real Time Clock Memory Module
DS3231 AT24C32 I2C Precision Real-Time Clock Module is a highly accurate RTC module designed for Arduino and other microcontroller projects. It combines the DS3231 temperature-compensated real-time clock with 32KB AT24C32 EEPROM memory for reliable timekeeping and data storage. The integrated crystal oscillator ensures exceptional accuracy while the backup battery support maintains time and date information during power outages. Featuring an I2C communication interface, programmable alarms, square-wave output, and an onboard temperature sensor, this module is ideal for clocks, data logging systems, automation projects, scheduling applications, and embedded systems requiring precise time management.
وحدة الساعة الحقيقية عالية الدقة DS3231 AT24C32 I2C هي وحدة متقدمة مصممة لمشاريع الأردوينو والمتحكمات الدقيقة التي تتطلب حفظ الوقت بدقة عالية. تجمع بين شريحة DS3231 للساعة الحقيقية وذاكرة EEPROM بسعة 32 كيلوبايت AT24C32 لتوفير حفظ الوقت والبيانات بشكل موثوق. يضمن المذبذب المعوض حرارياً دقة ممتازة، بينما تحافظ البطارية الاحتياطية على الوقت والتاريخ عند انقطاع الطاقة. تدعم واجهة I2C سهلة الاستخدام، وتوفر منبهين قابلين للبرمجة، ومخرج موجة مربعة، ومستشعر حرارة مدمج، مما يجعلها مثالية لأنظمة التسجيل الزمني والأتمتة والمشاريع الإلكترونية المختلفة.
The DS3231 AT24C32 I2C Precision Real-Time Clock Module is a professional-grade timing module designed for applications that require highly accurate date and time tracking. The module integrates the DS3231 RTC chip, featuring a built-in temperature-compensated crystal oscillator (TCXO) that provides excellent long-term accuracy and stability.
In addition to accurate timekeeping, the module includes an AT24C32 EEPROM memory chip with 32KB storage capacity, allowing users to store configuration data, logs, or other information directly on the module. The onboard battery backup system ensures continuous operation of the clock even when the main power supply is disconnected.
The module communicates through the I2C bus interface, making it easy to integrate with Arduino, ESP32, Raspberry Pi, STM32, and many other development platforms. It supports programmable alarms, square-wave output generation, leap-year compensation, and an integrated temperature sensor for additional monitoring capabilities.
Specifications
| Specification | Details |
|---|---|
| Product Name | DS3231 AT24C32 RTC Module |
| RTC Chip | DS3231 |
| Memory Chip | AT24C32 EEPROM |
| EEPROM Capacity | 32KB (32Kbit) |
| Communication Interface | I2C (IIC) |
| Operating Voltage | 3.3V – 5.5V DC |
| Maximum I2C Speed | 400kHz |
| Clock Accuracy | ±2ppm (0°C to 40°C) |
| Time Error | Approximately 1 minute per year |
| Temperature Sensor Accuracy | ±3°C |
| Alarm Functions | 2 Programmable Alarms |
| Square Wave Output | Supported |
| Calendar Support | Seconds, Minutes, Hours, Day, Date, Month, Year |
| Leap Year Compensation | Supported up to Year 2100 |
| Backup Battery | LIR2032 Rechargeable Battery |
| Module Dimensions | 38 × 22 × 14 mm |
| Weight | 8 g |
| EEPROM Default Address | 0x57 |
| Cascadable I2C Devices | Supported |
Arduino Wiring
| DS3231 Module | Arduino Uno R3 |
|---|---|
| VCC | 5V |
| GND | GND |
| SDA | A4 |
| SCL | A5 |
Applications
- Digital clocks and calendar systems
- Data logging projects
- Industrial automation systems
- IoT devices requiring time synchronization
- Timed relay and scheduling systems
- Environmental monitoring stations
- Attendance and access control systems
- Embedded control applications
- Smart home automation
- Battery-powered projects requiring backup timekeeping