- Brand Name: WEMS
- Compatible Brand/Model: None
- Compatible: Game Console
Notice: The new tracking number for China Post Ordinary Small Packet Plus can be traced only befor it arrive the airport of your country,please choose China Post Air Mail if you want a full tracking info.The same product will arrive in 15 to 60 days
Tracking info of China Post Ordinary Small Packet Plus can be check here: www.17track.net/en
Module parameters:
1. Size: 38mm (length) * 22mm (W) * 14mm (height)
2. Weight: 8g
3. Operating voltage :3.3 – 5 .5 V
4. Clock chip: high-precision clock chip DS3231
5. Clock Accuracy :0-40 range, the accuracy 2ppm, the error was about 1 minute
6. Calendar alarm clock with two
7. Programmable square-wave output
8. Real time clock generator seconds, minutes, hours, day, date, month and year timing and provide valid until the year 2100 leap year compensation
9. Chip temperature sensor comes with an accuracy of ± 3
10. Memory chips: AT24C32 (storage capacity 32K)
11. IIC bus interface, the maximum transmission speed of 400KHz (working voltage of 5V)
12. Can be cascaded with other IIC device, 24C32 addresses can be shorted A0/A1/A2 modify default address is 0x57
13. With rechargeable battery CR2032, to ensure the system after power failure, the clock move any natural normal
14. Packing: single anti-static packaging
Wiring instructions ( for Arduino uno r3 for example):
SCL → A5
SDA → A4
VCC → 5V
GND → GND
Package included:
100% Brand New
1 x DS3231 AT24C32 IIC Module 
