Enhance your electronic projects with this high-precision I2C Real Time Clock (RTC) module, featuring an integrated temperature compensated crystal oscillator (TCXO) and crystal for superior timing accuracy. Designed with a durable ABS housing and a compact 16-pin 300 mil SO package, this RTC module is ideal for both commercial and industrial applications, maintaining reliable timekeeping even during power outages with its dedicated battery input port. Key Features: · High Precision RTC Module: Equipped with a temperature compensated crystal oscillator (TCXO) and integrated crystal, ensuring stable and accurate timekeeping with an accuracy of 2ppm under 0-40℃ and an annual drift of approximately 1 minute. · Battery Backup Support: Includes a battery input port (CR2032 battery included) to maintain continuous timing when mains power is disconnected, preventing data loss during outages. · Wide Operating Voltage: Supports a working voltage range of 3.3V to 5.5V, making it compatible with various embedded systems and microcontrollers. · Comprehensive Timekeeping: Provides real-time seconds, minutes, hours, weekdays, dates, months, and years with leap year compensation valid until 2100. · Additional Functionalities: Features two programmable calendar alarm clocks, a programmable square wave output, and an integrated temperature sensor with ±3℃ accuracy to monitor environment conditions. · Reliable Memory Storage: Includes an AT24C32 memory chip with 32K storage capacity for extended data retention and system flexibility. · Durable ABS Material: Constructed from high-quality ABS plastic for strength and durability, ensuring long-term use in diverse environments. · Compact Design: Measures approximately 3.8 x 2.2 x 1.2 cm (1.50 x 0.87 x 0.47 inches), making it easy to integrate into various electronic setups without occupying excessive space. Specifications: · Material: ABS · Size: Approx. 3.8 x 2.2 x 1.2 cm (1.50 x 0.87 x 0.47 inches) · Working Voltage: 3.3-5.5V · Clock Chip: High precision clock chip with TCXO · Accuracy: 2ppm under 0-40℃; annual error about 1 minute · Memory Chip: AT24C32 (32K storage) · Interface: I2C Bus, 400KHz transmission speed at 5V · Battery: CR2032 (included) Package Includes: · 1 x High Precision I2C RTC Module This advanced RTC module provides accurate, reliable timekeeping and extensive programmable features, making it an essential component for embedded systems, data logging, and time-sensitive applications where precision and durability are paramount.