RTC Module DS1307 I2C – Real-Time Clock Module with Battery Backup

Empower your time-critical embedded applications with the DS1307 RTC Module, a high-accuracy Real-Time Clock solution that interfaces seamlessly over the I2C communication protocol. Designed to keep precise track of seconds, minutes, hours, day, date, month, and year, this module ensures your system maintains accurate timing even during power failures—thanks to its onboard CR2032 battery backup.

The DS1307 module is widely adopted across industrial, academic, and hobbyist electronics for projects requiring data logging, automation scheduling, timestamping, alarms, and real-time tracking. With built-in pull-up resistors and straightforward integration with platforms like Arduino, Raspberry Pi, ESP32, and other microcontrollers, the module accelerates development while improving system reliability.

Deliver consistent and dependable timing performance across all your IoT, automation, and embedded systems with this essential module.

🔧 Key Features

• High-precision DS1307 Real-Time Clock (RTC) IC

• Supports I2C interface for easy microcontroller integration

• Tracks seconds, minutes, hours, day, date, month, year

• 12-hour or 24-hour mode functionality

• CR2032 battery backup ensures timekeeping during power loss

• Onboard pull-up resistors for stable communication

• Wide compatibility: Arduino, ESP32, Raspberry Pi, STM32, etc.

• Compact and durable PCB design

📦 Package Includes

• 1 × DS1307 RTC Module (I2C Interface)

💡 Recommended Applications

• Data logging systems

• IoT automation devices

• Smart clocks and time-based triggers

• Attendance machines and counters

• Home automation

• Robotics and scheduling systems