DS3231SN RTC Module, Aideepen 2PCS DS3231 AT24C32 IIC High Precision Real Time Clock Breakout Replace DS1307

Aideepen 2PCS DS3231 AT24C32 IIC High Precision Real Time Clock Breakout Replace DS1307 for Arduino. The DS3231SN is the TCXO highstability RTC
Upgraded DS3231SN Chip, Not DS3231M
TheDS3231SN is the TCXO high stability RTC, acurate time keeping, accurateI2C real-time clock (RTC) module with a temperature-compensated crystaloscillator (TCXO) improving long-term accuracy
Aideepen 2PCS DS3231SN RTC Module DS3231 AT24C32 IIC High Precision Real Time Clock Breakout Clock Accuracy: 0-40 ° range, the accuracy 2ppm, the error was about 1 minute
Real time clock generator seconds, minutes, hours, day, date, month and yeartiming and provide valid until the year 2100 leap year compensation
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
Operating Voltage: 3.3 - 5. 5 V
Clock Chip: RTC DS3231SN
Memory Chip: AT24C32 (storage capacity 32K)
Calendar alarm clock with two
Programmable square-wave output

Wiring instructions (with Arduino uno r3 for example): SCLA5
SDAA4
VCC5V
GNDGND
Size: 38mm (L) *22mm (W) *14mm (H)