DS3231 Precise Real Time Clock Module I2C RTC AT24C32
Ø Size: 38mm (length) * 22mm (W) * 14mm (height)
Ø Operating voltage: 3.3 – 5 .5 V
Ø Clock chip: High-precision clock chip DS3231
Ø Clock Accuracy: 0 – 40 centigrade range, the accuracy 2ppm, the error was about 1 minute
Ø Calendar alarm clock with two
Ø Programmable square-wave output
Ø Real time clock generator seconds, minutes, hours, day, date, month and year timing and provide valid until the year 2100 leap year compensation
Ø Chip temperature sensor comes with an accuracy of ± 3 centigrade
Ø Memory chips: AT24C32 (storage capacity 32K)
Ø IIC bus interface, the maximum transmission speed of 400KHz (working voltage of 5V)
Ø Can be cascaded with other IIC device, 24C32 addresses can be shorted A0/A1/A2 modify default address is 0x57
Ø With rechargeable battery LIR2032, to ensure the system after power failure, the clock move any natural normal
Ø Wiring instructions (with Arduino uno r3 for example):
Ø SCL → A5
Ø SDA → A4
Ø VCC → 5V
Package Include:
1 x DS3231 RTC module
1 x 2032 Coin cell Battery
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