DS3231 RTC Real Time Clock Module

160.00
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  • 1Hz and 32.768kHz output.
  • Supported Raspberry Pi and Arduino
  • Supply voltage(V):+2.3 to +5.5
  • operating temperature range:-40°C to +85°C
  • Two calendar alarm.
  • Provide battery backup for continuous timing.
SKU: IFT00026-4 Category: Brand:

DS3231 RTC Real Time Clock Module is a highly accurate I²C-based real-time clock with an integrated temperature-compensated crystal oscillator (TCXO) and crystal. It maintains accurate timekeeping and provides information including seconds, minutes, hours, day, date, month, and year, with leap-year correction. The module is widely used in embedded systems, IoT, and low-power applications that require reliable date and time tracking.

Key Features of DS3231 RTC Real Time Clock Module:
  • High Accuracy: Integrated TCXO for precise timekeeping with ±2ppm accuracy from 0°C to +40°C.
  • I²C Interface: Communicates via I²C protocol for easy integration with microcontrollers.
  • Battery Backup: Keeps timekeeping active even during power outages with a CR2032 battery.
  • Alarm Functions: Supports two programmable time-of-day alarms.
  • Temperature Sensor: Built-in digital temperature sensor with ±3°C accuracy.
Technical Specifications of DS3231 RTC Real Time Clock Module:
  • Operating Voltage: 3.3V to 5.5V
  • Timekeeping Accuracy: ±2ppm (0°C to +40°C)
  • Communication Interface: I²C (400kHz)
  • Temperature Range: -40°C to +85°C
  • Battery Backup: CR2032 coin cell supported
  • Memory: 32 bytes of user-accessible EEPROM
Mechanical Specifications of DS3231 RTC Real Time Clock Module:
  • Module Dimensions: Approx. 38mm x 22mm
  • Mounting: Through-holes for PCB or case mounting
  • Weight: Approx. 5 grams
Dimensions:
  • Length: 38mm
  • Width: 22mm
  • Height (with battery): 14mm
Mounting Options:
  • PCB Mounting: Module has standard through-holes for direct mounting on PCBs.
  • Panel Mounting: Can be mounted on enclosures using custom brackets.
Schematic Diagram, Connection, Wiring and Pinout of DS3231 RTC Module:
  • VCC: Connect to 3.3V or 5V power supply
  • GND: Ground
  • SDA: I²C data line (connect to microcontroller’s SDA)
  • SCL: I²C clock line (connect to microcontroller’s SCL)
  • 32K: 32kHz square-wave output (optional)
  • SQW: Square-wave output pin (programmable via I²C)
Datasheet of DS3231 RTC Real Time Clock Module:
Applications of DS3231 RTC Real Time Clock Module:
  • Embedded Systems: Keeps accurate time in microcontroller-based systems.
  • IoT Devices: Used in data logging, remote sensors, and smart devices.
  • Clocks and Timers: Ideal for digital clocks and programmable timers.
  • Alarm Systems: Enables time-triggered alerts and reminders.
  • Environmental Monitoring: Timestamp for temperature or weather data logs.
Equivalent of DS3231 RTC Real Time Clock Module:
  • DS1307: Similar RTC module but with lower accuracy and external crystal
  • PCF8563: Low-power RTC with I²C interface and alarm functions
  • RV-3028-C7: Ultra-low power RTC module with better timekeeping
Package Includes:
  • 1 x DS3231 RTC Real Time Clock Module

Additional information

Weight 5 g
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DS3231 RTC Real Time Clock Module

DS3231 RTC Real Time Clock Module

160.00
You save

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