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DS3231 Clock Module 3.3V / 5V High Accuracy For Raspberry Pi
Description: This board can be used with Arduino board Module itself can adapt 3.3V and 5V systems without level conversion. Features: 1. Within -40 C to +85 C temperature range, timing accuracy is maintained at 5ppm ( 0.432 sec / day). 2. Provide battery backup for continuous timing. 3. Low-power. 4. Device package and function compatible with the DS3231. 5. Complete clock functions include seconds, minutes, hours, day, date, month and year timing, and provide valid to 2100. 6. Two calendar alarm. 7. 1Hz and 32.768kHz output. 8. Reset button and button input. 9. High-speed (400kHz) I2C serial bus. 10. +2.3 V to +5.5 V supply voltage. 11. 3C accuracy digital temperature sensor. 12. -40C to +85C operating temperature range. 13. 16-pin SO (300mil) package Package included: 1 x DS3231 Clock Module