DS3231 Real Time Clock Module


The DS3231 is an extremely accurate I2C real-time clock with an integrated temperature-compensated crystal oscillator (TCXO) and crystal. The DS3231 function with a VCC ranging from 2.3V to 5.5V. In comparison to the DS1307, the DS3231 has an integrated crystal, temperature sensor, 2 programmable time-of-day alarms, a 32.768 kHz output pin to ensure higher accuracy.

Note: The CR2032 coin cell battery is not included.

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  • 3.3 - 5.5V Operating Voltage
  • High Precision Clock Chip
  • High Clock Accuracy
  • 2 Calendar Alarm Clock
  • Programmable Square Wave Output Signal
  • Onboard AT24C32 Memory Chip
  • 400kHz Maximum Transmission Speed
  • IIC Bus Interface



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