DS3231 RTC Module for Raspberry Pi (no battery)

Technical specifications:

• Supply voltage: 2.3 V - 5.5 V (3.3 V recommended);
• Backup battery voltage: 2.3 V - 5.5 V (3 V recommended);
• Current consumption: 300 μA;
• Accuracy: ± 3.5ppm;
• Also includes temperature sensor;
• Communicates on the I²C interface at a maximum frequency of 400 kHz;
• Can memorize: hour, minute, second, day of the week, day of the month, month and year;
• Two alarms can also be set.

The RTC module is an ultra low power type and can be connected directly to a Raspberry PI. Although it is designed to be compatible with this development plaque, it can be adapted and used with other types of microcontroller or plaques, such as Arduino.

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