1pcs, DS3231 High-precision Clock Module AT24C32,IIC (without Battery)

dule SPEC:

1. Size: 38mm (length) * 22mm (width) * 14mm (height)

2. Weight: 8g

3. Working voltage: 3.3-5.5V

4. Clock IC: high-precision clock IC DS3231

5. Clock accuracy: within the range of 0-40 ℃, with an accuracy of 2ppm and an annual error of about 1 minute

6. Comes with 2 calendar alarms

7. Programmable square wave output

8. Real time clock generates timing for seconds, minutes, hours, weeks, dates, months, and years, and provides leap year compensation valid until 2100

9. The IC comes with a built-in temperature sensor with an accuracy of ± 3 ℃

10. Storage IC: AT24C32 (storage capacity 32K)

11. IIC bus interface, high transmission speed of 400KHz (working voltage of 5V)

12. Other IIC devices can be cascaded, and the 24C32 address can be modified with short circuiting A0/A1/A2. The default address is 0x57

13. With battery CR2032, ensure that the clock still moves normally after the system is powered off

14. Packaging method: Single anti-static packaging

Wiring instructions.

SCL→A5

SDA→A4

VCC→5V

GND→GND