Description

DS1307 Real Time Clock (RTC) Module

The DS1307 Real Time Clock (RTC) Module is a highly reliable and accurate timekeeping device for Arduino, Raspberry Pi, and other microcontroller-based projects. Designed to maintain the current time, date, day, month, and year, the DS1307 RTC module ensures that your electronics projects always have precise time information, even when powered off.

Equipped with a backup battery holder, this module can keep track of time for extended periods without interruption. Its I2C communication interface makes it easy to connect and integrate with various development boards, making it a must-have component for data logging, time-stamping, scheduling, and alarm projects.

Whether you are building a data logger, clock, home automation system, or scheduling device, the DS1307 RTC module delivers accurate, reliable, and hassle-free timekeeping.

Key Features of DS1307 RTC Module

• Real-Time Clock Functionality: Tracks seconds, minutes, hours, day, date, month, and year.

• I2C Interface: Easy communication with Arduino, Raspberry Pi, and other microcontrollers.

• Backup Battery Support: Maintains time even during power outages.

• Wide Operating Voltage: Compatible with 3.3V and 5V systems.

• High Accuracy: ±2 minutes per month without calibration.

• Compact Design: Small PCB size ideal for embedded applications.

• Easy Integration: Connects with microcontrollers via standard SDA and SCL pins.

• Low Power Consumption: Efficient design suitable for long-term projects.

• Versatile Applications: Ideal for clocks, alarms, data loggers, and scheduling systems.

Technical Specifications

• RTC IC: DS1307

• Operating Voltage: 3.3V – 5V DC

• Interface: I2C (SDA, SCL)

• Timekeeping Accuracy: ±2 minutes per month at 25°C

• Backup Battery: CR2032 or equivalent (not always included)

• Operating Temperature: -40°C to +85°C

• Communication Address: 0x68 (I2C)

• Dimensions: Compact PCB for easy embedding

• Current Consumption: 200µA active, 500nA standby (with battery)

Why Choose the DS1307 RTC Module?

1. Accurate Timekeeping – Provides precise real-time tracking for hours, minutes, seconds, day, date, month, and year.

2. Battery Backup – Keeps the clock running during power interruptions, ensuring reliable timekeeping.

3. I2C Communication – Simple integration with Arduino, Raspberry Pi, ESP32, and other microcontrollers.

4. Compact and Lightweight – Fits easily into embedded projects without taking up much space.

5. Versatile Applications – Perfect for clocks, alarms, data loggers, scheduling systems, and automation projects.

Applications of DS1307 RTC Module

• Digital Clocks: Maintain accurate time in standalone clock projects.

• Data Loggers: Time-stamp sensor readings and events for analysis.

• Home Automation: Schedule devices such as lights, fans, or alarms.

• Arduino and Raspberry Pi Projects: Provide real-time tracking for DIY electronics.

• Alarm Systems: Trigger alarms based on specific times or intervals.

• Time-Based Robotics Projects: Control robot behavior based on time schedules.

How to Use the DS1307 RTC Module

1. Connect to Microcontroller – Wire VCC, GND, SDA, and SCL to the corresponding pins on Arduino, Raspberry Pi, or ESP32.

2. Insert Backup Battery – Place a CR2032 battery in the holder to maintain time during power loss.

3. Install Library – For Arduino, use the RTClib library or compatible library to communicate with the DS1307.

4. Initialize Time – Set the current date and time programmatically during initial setup.

5. Read Time – Use I2C commands to fetch hours, minutes, seconds, day, month, and year.

6. Integrate into Project – Use the time data to trigger events, log data, or display information on screens.

With these steps, developers can easily integrate accurate real-time tracking into any project.

Package Includes

• 1 × DS1307 Real Time Clock (RTC) Module

• Optional: Backup battery (check product variant)

Conclusion

The DS1307 RTC Module is a compact, accurate, and reliable solution for real-time tracking in Arduino, Raspberry Pi, and other microcontroller projects. With I2C interface, battery backup, and precise timekeeping, it is perfect for data logging, alarms, clocks, scheduling, and automation systems.

Whether you are a hobbyist, student, or professional developer, the DS1307 RTC module ensures that your projects have reliable, continuous, and accurate time management, making it an essential component for electronics and IoT applications.

Data Sheet