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DS3231 AT24C32 IIC Precision RTC Real-Time Clock Module with Memory

DS3231 AT24C32 IIC Precision RTC Real-Time Clock Module with Memory

Regular price $2.59 USD
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DS3231 RTC Module

DS3231 I2C Precision RTC Real Time Clock Module

Features:

  • Highly accurate I2C real-time clock with an integrated temperature-compensated crystal oscillator.
  • Battery input for uninterrupted timekeeping even during power failures.
  • Available in commercial and industrial temperature ranges with a compact 16-pin package.
  • Maintains time with second, minute, hour, day, date, month, and year tracking, including leap year corrections.
  • 24-hour or 12-hour format with AM/PM indication, and two configurable alarm clocks.
  • Automatic power supply switchover between main and backup power, ensuring continuous operation.
  • Integrated digital temperature sensor with ±3°C accuracy, accessible via the I2C interface.

Specifications:

  • Size: 38mm x 22mm x 14mm
  • Weight: 8g
  • Operating Voltage: 3.3V - 5.5V
  • Clock Chip: High-precision DS3231
  • Clock Accuracy: 2ppm from 0-40°C, error ~1 minute/month
  • Two calendar alarms
  • Programmable square-wave output
  • Real-time clock valid till the year 2100 with leap year compensation
  • Temperature Sensor Accuracy: ±3°C
  • Memory: AT24C32 with 32K storage capacity
  • IIC Bus Interface with 400KHz max transmission speed at 5V
  • Cascadable with other IIC devices, configurable address by shorting A0/A1/A2
  • Includes a rechargeable CR2032 battery holder
  • Packing: Single anti-static packaging

Wiring Instructions (e.g., for Uno R3):

  • SCL → A5
  • SDA → A4
  • VCC → 5V
  • GND → GND

Package Included:

1 x DS3231 AT24C32 IIC Precision RTC Real Time Clock Memory Module (battery not included)

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