High-precision DS3231 RTC real-time clock module Two calendar clocks Reset output and anti-shake input High-speed (400 KHZ) I2C serial bus The accuracy of the digital temperature sensor is ±3°C describe: The module itself can adapt to 3.3V and 5V systems without level conversion, which is super convenient; Provide continuous timing backup battery; The complete clock and calendar functions include seconds, minutes, time, week, day, month, and year, and provide leap year compensation to 2100; Low power consumption; Two calendar clocks; Reset output and anti-shake input; Specification： In the temperature range of -40°C to +85°C, the timing accuracy is ±5PPM (±0.432 seconds/day); 1 Hz and 32.768 kHz output; High-speed (400 KHZ) I2C serial bus; +2.3V to +5.5V power supply voltage; The accuracy of the digital temperature sensor is ±3°C; Package Included: 2X DS3231 high-precision real-time clock RTC module
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