one. Overview:
Raspberry Pi foreign high-precision clock module DS3231
Note that the Arduino board can also use this module.
The module itself can adapt to 3.3V and 5V systems without level shifting, which is convenient!
two. characteristic:
1. In the temperature range of -40°C to +85°C, the timing accuracy is maintained at ±5ppm (±0.432 seconds/day)
2. Provide battery backup for continuous timing
3. Low power consumption
4. The device package and function are compatible with DS3231
5. The complete clock calendar function includes seconds, minutes, hours, days, dates, months and years, and provides leap year compensation valid to 2100
6. Two calendar alarm clocks
7.1Hz and 32.768kHz output
8. Reset output and button debounce input
9. High-speed (400kHz) I2C serial bus
10. +2.3V to +5.5V supply voltage
11. Digital temperature sensor with an accuracy of ±3°C
12.-40°C to +85°C operating temperature range
13.16-pin SO (300mil) package
Package Included:
- 1 x Raspberry Pi foreign high-precision clock module DS3231
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