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- Highly accurate real-time clock (RTC) chip with integrated 32 kHz crystal
- Temperature sensor and alarm clock capabilities
- Supply voltage range of 3.3 to 5 volts DC
- RTC IC: DS3231 with accuracy of +-2 ppm from 0 degrees C to 40 degrees C
- Temperature sensor accuracy of +-3 degrees C
The RTC DS3231 Module is an extremely accurate real-time clock that enables precise time-keeping with minimal effort. It utilizes a DS3231 IC, a highly accurate RTC chip with a built-in 32kHz crystal oscillator. The chip also includes a basic temperature sensor and alarm clock functionality.
This RTC module utilizes a standard I C interface and can be easily connected to various development boards (such as an Arduino compatible board).
Maximum IC bus frequency: 400 kHz
Backup battery: CR2032 (included).