Sparkfun Real Time Clock Module (RV-1805-C3)

The RV-1805-C3 is an ultra-low power RTC module engineered for efficiency and reliability. This compact surface-mount device incorporates the crystal directly within a hermetically sealed ceramic package, ensuring precise timekeeping without the need for external tuning. With a maximum timekeeping current of just 0.08µA, it is ideal for battery-powered applications where long-lasting performance is essential. Featuring a standard I2C interface, it offers seamless communication and includes a backup battery trickle charger, watchdog timer, and 256 bytes of user RAM.

Perfect for a variety of applications, the module excels in environments where space is at a premium and precision is paramount. Its low power consumption makes it an excellent choice for portable devices, wearables, and remote sensors, where battery life is a critical consideration. The integrated crystal and robust package design ensure reliable operation even in challenging conditions, making it suitable for industrial and outdoor applications.

The I2C interface simplifies integration, allowing for straightforward communication with microcontrollers and other digital devices. This makes it easy to incorporate into existing designs or new projects, reducing development time and complexity. The inclusion of a backup battery trickle charger ensures that timekeeping is maintained even during power interruptions, enhancing the reliability of your system.

Additional features such as the watchdog timer and user RAM provide extra functionality and flexibility, allowing for customized solutions tailored to specific needs. Whether you’re developing a new gadget or upgrading an existing system, this RTC module offers a blend of precision, efficiency, and versatility that sets it apart in the market.