REAL TIME COCK MODULE

Operating voltage :3.3 - 5  V

clock chip: high-precision clock chip DS3231

Clock Accuracy :0-40 Degree 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 Degree

Memory chips: AT24C32 (storage capacity 32K)

 I2C 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