Adafruit DS3231 Real Time Clock - Qwiic

The DS3231 is an exceptionally accurate Real Time Clock (RTC) with integrated crystal and temperature sensor. Now available in a breadboard-friendly breakout with Qwiic connectors for easy plug-and-play use. Designed for precise timekeeping, even during power loss, making it ideal for data-logging and clocks. Requires a coin cell for battery-backup capabilities - CR1220 (not included). Compatible with 3.3V or 5V logic levels and interfaces via I2C. No soldering required with included qwiic connectors although the pins have been broken out to standard 2.54mm pins for breadboard compatibility. Compatible with CircuitPython/Python or Arduino drivers for seamless integration.

AF5188-008

Quick Spec

  • DS3231 Real Time Clock (RTC)
  • Extremely accurate I2C-integrated RTC/TCXO/Crystal
  • Comes with STEMMA QT connectors for plug-and-play simplicity
  • Integrated temperature-compensated crystal and sensor
  • Supports precise timekeeping even with temperature changes
  • Offers years of precision timekeeping with a coin cell backup (CR1220)
  • Compatible with 3.3V (Feather/Raspberry Pi) or 5V (Arduino/Metro328) logic levels
  • Interfaces via I2C with two wires (plus power and ground)
  • Includes SparkFun qwiic compatible STEMMA QT connectors for solder-free connection
  • Compatible with CircuitPython/Python or Arduino drivers
  • Dimensions: 25.4 x 17.8 x 7.8mm

Wiring Diagram

AF5188-004

Schematic

AF5188-009

Resources

Shipping List

  • 1 x Adafruit DS3231 Real Time Clock - Qwiic
  • 1 x 8-Pin SIL Male Header


Adafruit DS3231 Real Time Clock - Qwiic

  • Brand: Adafruit
  • Product Code: AF5188
  • Weight: 0.006kg
  • Product Status : Active
  • Stock

    Warehouse Stock Status Location
    Centurion In Stock FF209
    Stellenbosch In Stock C0049
    Bulk Location No Stock

    We ship free of charge between branches to complete your order.

  • R288.00 (Inc Tax: R331.20)


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Tags: rtc, adafruit, ds3231, real time clock, qwiic