Precision Real-Time Clock Module (DS3231 AT24C32 I2C)

Specifications:
- Model: DS3231
- Type: Real-Time Clock (RTC) Module with EEPROM
- Interface: I2C (Inter-Integrated Circuit)
- EEPROM: AT24C32 (32 Kbit I2C EEPROM for additional data storage)
- Accuracy: ±2 minutes per year at 25°C
- Clock Type: 12/24-hour format
- Temperature Compensation: Built-in temperature-compensated crystal oscillator (TCXO)
Special Features:
- Highly Accurate: DS3231 offers high precision with minimal drift, making it ideal for applications where accurate timekeeping is crucial.
- Built-In Battery Backup: The module includes a coin cell battery holder to keep time even when the main power is off.
- Temperature Compensated: The module adjusts for temperature variations to maintain accuracy.
- Alarm Function: Includes two programmable alarms to trigger events at specified times.
- Digital Temperature Output: Provides temperature readings directly from the DS3231 chip.
- 32 Kbit EEPROM: The AT24C32 EEPROM can store additional data, such as calibration settings or user data.
Wiring Connections:
- Power Supply:
  - VCC: Connect to 3.3V or 5V DC power supply (check module specifications for required voltage).
  - GND: Connect to the ground of your power supply.
- I2C Communication:
  - SCL (Serial Clock Line): Connect to the I2C clock line of your microcontroller.
  - SDA (Serial Data Line): Connect to the I2C data line of your microcontroller.
- Battery Backup:
  - BAT: Connect a CR2032 coin cell battery to the BAT pin for backup power. This keeps the clock running during power outages.
- EEPROM:
  - EEPROM Pins: The AT24C32 EEPROM is integrated and connected to the I2C bus. You do not need separate connections for EEPROM.
Power:
- Operating Voltage: 3.3V to 5V DC (depending on module design)
- Current Consumption: Very low, typically around 1 µA in battery backup mode.

Original price was: ৳ 270.00.Current price is: ৳ 255.00.

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Specification

Overview

Input and Output:

Pins:
- VCC: Power input
- GND: Ground
- SCL: I²C clock input
- SDA: I²C data input/output

Physical Characteristics:

Dimensions: Small footprint, typically around 20mm x 20mm
Mounting: Through-holes for easy integration into projects
Build: Compact and durable design

Additional Features:

Alarm Function: Programmable alarms for specific times
Temperature Sensor: Measures ambient temperature
Low Power Consumption: Extends battery life in portable applications
Automatic Leap Year Compensation: Handles leap years without additional programming
EEPROM: Additional storage for user data, accessible via I²C

The DS3231 AT24C32 RTC module offers high precision timekeeping with integrated temperature compensation, making it ideal for applications requiring accurate time and date information. Its low power consumption and additional memory capabilities enhance its utility in various embedded systems and IoT projects.