6PCS DS3231 Real Time AT24C32 Clock Module RTC Sensor IIC Timer Alarm Clock Memory Board

Description

Operating voltage: 3.3-5V Clock chip: high-precision clock chip DS3231 Programmable square-wave output IIC bus interface, the 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 Real time clock generator seconds, minutes, hours, day, date, month and year timing and provide valid until the year 2100 leap year compensation Pin instructions : 32KHz?32KHz output SQW?Active LOW Interrupt or Square wave output SCL?Serial Clock Input SDA?Serial Data I/O VCC?DC Power Pin GND?Ground If you use other board with this RTC module, you need check and change their SCL and SDA pins. Nano: SDA?A4, SCL?A5 MEGA: SDA?20, SCL?21 Leonardo: SDA?20, SCL?21 Wiring instructions: SCL ? A5 SDA ? A4 VCC ? 5Vv GND ? GND Package Included: 6 x DS3231 clock module