Breakout Board DS3231 RTC module R2 is a Real Time Clock (RTC) with I²C interface in which has been integrated with an internal crystal oscillator (TXCO). odule has been equipped with back-up battery (CR2032) that will keep the conditions of the time to keep pace even though the main power supply has been turned off.
Internal crystal (TXCO) on the module can improve the accuracy of timing, so that the information regarding the second, minute, hour, day, month and year can be displayed very accurately.
- Dimensions:: 38 x 22 x 14 mm
- Working Voltage: 3.3 ?? 5.5 V
- Chip RTC: DS3231
- Memory Chip: AT24C32
- Memory capacity: 32 Kb
- Interface: I²C
- Data Rate: 400 KHz
- Battery: CR2032 @ 3 V
- Features: Supports programming square wave output, equipped with an internal temperature sensor