- Compact Size: The module measures 38mm (L) x 22mm (W) x 14mm (H) (1.50" x 0.87" x 0.55") and weighs only 8 g (0.28 oz), making it ideal for space-constrained projects. - Versatile Timekeeping: Operate the clock in either 24-hour or 12-hour format, complete with AM/PM indication, ensuring flexibility to suit your preference. - Programmable Features: Includes two programmable calendar alarms and a programmable square-wave output, enhancing functionality for reminders and scheduling. - Easy Communication: Features I2C bidirectional bus for serial transmission of addresses and data, allowing for seamless integration with other devices. - Integrated Temperature Sensor: The built-in digital temperature sensor provides temperature readings via the I2C interface with an accuracy of ±3°C, useful for various applications. Use Scenarios: 1. Ideal for DIY electronics projects where precise timing and temperature monitoring are critical, such as in weather stations or smart home devices. 2. Perfect for educational purposes, allowing students to learn about real-time clock management and sensor integration in embedded systems. 3. Suitable for alarm systems and scheduling applications where programmable alarms can help manage tasks effectively. This module operates on a working voltage of 3.3V to 5.5V, ensuring compatibility with a wide range of microcontrollers and development boards.