DS3231 - Real Time Clock & Memory
I2C Precision (RTC) Real Time Clock Memory
Module parameters:
- size: 38mm (long) * 22mm (wide) * 14mm (High)
- weight:8g
- Operating Voltage: 3.3–5.5V
- Clock Chip: Precision clock chip DS3231
- Clock Accuracy: 0-40 °Within range,Accuracy2ppm,In error about1minute
- A programmable square-wave output
- Real-time clock generating seconds, minutes , hours, day , date , month and year time, and provide valid until2100Compensation leap year
- Internal temperature sensor chip comes, Accuracy± 3 °
- Memory chip: AT24C32 (Storage capacity32K)
- I2C Bus Interface, The maximum transmission speed400KHz (Operating voltage 5V)
- Cascadable OtherIICequipment, 24C32Address by short circuitA0 / A1 / A2modify, The default address is0x57
- With rechargeable batteryLIR2032,Ensure the system after power failure, Any natural clock normal walking
Wiring instructions :
- SCL → A5
- SDA → A4
- VCC → 5V
- GND → GND