Module Arduino Clock DS3231

HKWilwin

$6.16 
Description: 82328
Availability: 1000 Can ship immediately

Specifications:
Color: Blue
Dimensions: approx. 38mm(L)*22mm(W)*14mm(H)
Operating voltage: DC 3.3V--5.5V
Chip: High-precision clock chip DS3231
Accuracy: ± 2ppm (0 °C ~ 40 °C)
Two schedule set alarm
Programmable square-wave output
Real-time clock calculation: second, minute, hour, day, month, year, leap year
Provide valid until the year 2100 leap year compensation
Digital temperature sensor output:  ± 3°C accuracy
Memory chips: AT24C32 (32K)
IIC bus interface, the maximum transmission speed of 400KHz (working voltage of 5V)
With place for the battery, the module can work after power failure.