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High-precision IIC DS3231 Electronic Clock AT24C32 Module

The DS3231 is a low-cost, highly accurate Real Time Clock Module which can maintain hours, minutes and seconds, as well as, day, month and year information.

It also has automatic compensation for leap-years and for months with fewer than 31 days.

The DS3231 is a low-cost I2C RTC, with an integrated temperature-compensated crystal oscillator (TCXO) and crystal.

Compared to the DS1302 solution, the DS3231 has many advantages, its functions with a VCC ranging from 2.3V to 5.5V and has a battery backup.

Unlike the DS1307, the DS3231 also has an integrated crystal, temperature sensor, 2 programmable time-of-day alarms, and a 32.768 kHz output pin to ensure higher accuracy. It also consists of an EEPROM AT24C32 to supply you 32K EEPROM to store your data.

Features

  • Real-time clock generator seconds, minutes, hours, day, date, month and year timing and provide valid until the year 2100 leap year compensation
  • Can be cascaded with other IIC devices, 24C32 addresses can be shorted A0/A1/A2 modify default address is 0x57
  • Calendar alarm clock with two time of day alarms
  • Programmable square-wave output
  • IIC bus interface, the maximum transmission speed of 400KHz (working voltage of 5V)
  • Requires CR2032 Battery

Specifications

  • Clock Chip: DS3231
  • Memory Chip: AT24C32 (storage capacity 32K)
  • Operating Voltage: 3.3v - 5.5v
  • Weight: 8g
  • Size: 3.8cmx2.2cmx1.4cm 

Contents

  • 1 x High-precision IIC DS3231 Electronic Clock AT24C32 Module
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