Support Raspberry Pi 2/ 3 B/B+ Zero/4 Support seconds,minutes,hours,day of week,month, year Support 24-hour or 12-hour format with AM/PM indicator Low-Power Consumption Two Time-of-Day Alarms Fast (400kHz) I2C Interface Typical Applications Any applications need Real Time on Raspberry.
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High Accuracy Pi RTC Add On Board with DS3231 for Raspberry Pi
