⏰ DS1307 RTC Real-Time Clock Module with Backup Battery ⏰
The DS1307 RTC module allows accurate tracking of time and date in your microcontroller projects, even during power loss, thanks to its onboard backup battery. It communicates via I2C protocol and is compatible with Arduino, ESP32, Raspberry Pi, and more.
✅ Specifications:
- IC: DS1307 RTC chip
- Communication Protocol: I2C (SDA, SCL)
- Operating Voltage: 5V DC
- Timekeeping: Hours, Minutes, Seconds, Day, Date, Month, Year
- Backup Timekeeping: Over 1 year (with CR2032 battery)
- Battery Holder: Built-in (CR2032 battery not included)
- Programmable via Arduino libraries
🔹 Key Features:
✔ Keeps accurate time even when power is off
✔ Easy to interface with multiple microcontrollers via I2C
✔ Ideal for time-based automation and logging
✔ Compact and reliable design
✔ Supported by multiple Arduino libraries
🔹 Weight: 10 grams
📌 Common Applications:
- Data logging systems
- Smart alarm and timer projects
- Time-based automation
- DIY digital clocks
- Attendance or access systems
