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DS3231 I2C Real Time Clock RTC Module
$2.3700
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SKU
misc-03-003
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Arduino Data Logging Recorder Shield Previous 
The DS3231 I2C Real Time Clock RTC Module is a compact timekeeping module for tracking date and time in embedded systems and microcontroller projects. It uses the DS3231 clock chip and supports I2C communication for easy integration with microcontrollers and single-board computers. The module includes a built-in temperature-compensated crystal oscillator (TCXO) for precise timekeeping. It also integrates an AT24C32 memory chip with 32K storage capacity. This RTC module is suitable for clock, data logger, and timer applications.
Features of DS3231 I2C Real Time Clock RTC Module
- High-accuracy timekeeping
- Built-in temperature compensation
- I2C communication
- AT24C32 memory included
Specifications of DS3231 I2C Real Time Clock RTC Module
- Clock Chip: DS3231
- Operating Voltage: 3.3V to 5.5V
- Clock Accuracy: ±2ppm (at 0°C to +40°C)
- Clock Accuracy: ±3.5ppm (at -40°C to +85°C)
- Temperature Sensor Accuracy: ±3°C
- Memory Chip: AT24C32 (32K storage capacity)
- Interface: I2C (Address: 0x57)
- Operating Temperature Range: -40°C to +85°C
- Number of Pins: 10
- Dimensions: 38mm x 22mm x 14mm
How to Use DS3231 I2C Real Time Clock RTC Module
- Connect the module using the I2C interface.
- Set the initial time and date.
- Apply proper voltage levels and manage power carefully.
More Info
- Handle the module carefully during installation and connection.
- Replace the backup battery periodically when used.
| Platform | Arduino Uno |
|---|---|
| Interface Type | I2C |
| Operating Voltage (V) | 3.3V, 5V |
| Operating Current (mA) | Very low (<0.5 mA) |
| Operating Temp (°C) | -40 to 85 |
| Dimensions (mm) | 38x22x14mm |
| Mounting Type | Pin Header |
| Device Type | Real Time Clock (RTC) |
| Clock Accuracy (ppm) | ±2ppm |
| Chipset | DS3231SN, DS3231M |
| Alarm | Yes |
| Relay Channels | No |
| Timing Range | Until year 2100 |
| Functions | Leap year,24-hour format,12-hour format AM/PM,Seconds,Minutes,Hours,Day,Week,Month,Year |
| Output Type | I2C |
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