DS3231 Real Time Clock RTC Module For Raspberry Pi Clock High-precision W4Y8

<p>Overview<br>For Raspberry Pi foreign high-precision Clock module DS3231<br>Note that the Arduino motherboard can also use this module.<br>The module itself can adapt to 3.3V and 5V system, no level conversion, this is super convenient!<br>Characteristics<br>1. -40°c to +85°c temperature range, timing accuracy remains in ±5ppm (± 0.432 sec/day)<br>2. Battery backup for continuous timing<br>3. Low power consumption<br>4. Device package and function and DS3231 compatibility<br>5. Complete clock calendar features include seconds, minutes, hours, weeks, dates, months, and years, and provide a leap year compensation valid until 2100<br>6. Two Calendar alarms<br>7.1Hz and the 768kHz output<br>8. Reset output and button to shake input<br>9. High-speed (400kHz) $literal serial Bus<br>+2.3V to +5.5V Power supply voltage<br>11. Precision ±3°c Digital Temperature sensor<br>12. -40°c to +85°c operating temperature range<br>13.16 pins SO (300mil) package</p>