DS3231 AT24C32 IIC Precision RTC Real-Time Clock Module with Memory
DS3231 AT24C32 IIC Precision RTC Real-Time Clock Module with Memory
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$2.59 USD
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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)