Ewall - RTC DS3231IIC Module Precision Real Time Clock Module

RTC DS3231IIC Module Precision Real Time Clock Module

Size: 38mm (length) * 22mm (W) * 14mm (height)
Operating voltage :3.3 - 5 .5 V
Clock chip: high-precision clock chip DS3231
Clock Accuracy :0-40 ℃ range, the accuracy 2ppm, the error was about 1 minute
Calendar alarm clock with two
Programmable square-wave output
Real time clock generator seconds, minutes, hours, day, date, month and year timing and provide valid until the year 2100 leap year compensation
Chip temperature sensor comes with an accuracy of ± 3 ℃
Memory chips: AT24C32 (storage capacity 32K)
IIC bus interface, the maximum transmission speed of 400KHz (working voltage of 5V)
Can be cascaded with other IIC device, 24C32 addresses can be shorted A0/A1/A2 modify default address is 0x57
With rechargeable battery LIR2032, to ensure the system after power failure, the clock move any natural normal
Wiring instructions (with Arduino uno r3 for example):
SCL → A5
SDA → A4
VCC → 5V
GND → GND

PKR 163.4

14th August  190.00

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