Raspberry Pi foreign highest precision clock module DS3231

Note Arduino board can also use this module.

Module itself can adapt to 3.3V and 5V system without level conversion, this is a super easy!

two. characteristic:

1.-40 ° C to + 85 ° C temperature range, timing accuracy is maintained at ± 5ppm (± 0.432 s / day)

2. Continuous Timekeeping Battery Backup

3. Low power consumption

4. The device package, and functionally compatible with the DS3231

5. The complete calendar clock functions include seconds, minutes, hours, day, date, month and year time, and provide valid until 2100 Leap Year Compensation

6. The two-day alarms

7.1Hz and 32.768kHz output

8. Reset button to output and input jitter

9. High-speed (400kHz) I2C serial bus

10. + 2.3V to + 5.5V supply voltage

11. The accuracy of ± 3 ° C digital temperature sensor

12.-40 ° C to + 85 ° C operating temperature range

13.16 Pin SO (300mil) package

14. Underwriters Laboratories (UL) certification