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