Iic Precision Rtc Real Time Clock Memory Module At24c32 Ds3231

IIC Precision RTC Real Time Clock Memory Module AT24C32 DS3231

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

2. Weight: 8g

3 working voltage: 3.3 - 5.5V

4. Clock chip: high-precision clock chip DS3231

5. Clock accuracy: 0-40 C range, the accuracy of 2ppm, the annual error of about 1 minute

6 with 2 calendar alarm clock

7. Programmable square wave output

8. The real-time clock generates seconds, minutes, hours, weeks, dates, months and years, and provides leap year compensation up to 2100

9. The chip comes with temperature sensor, accuracy pm 3 C

10. Memory chip: AT24C32 (storage capacity of 32K)

11. IIC bus interface, the maximum transmission speed 400KHz (working voltage is 5V)

12. Can be cascaded with other IIC devices, 24C32 address can be modified by short circuit A0 / A1 / A2, the default address is 0x57

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

14. Packaging: a single anti-static packaging Wiring instructions (to uno r3 as an example): SCL - A5 SDA - A4 VCC - 5V GND - GND

Package included:

1 x RTC Cock module without battery