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RTC real-time clock module DS3231SN ChronoDot V2.0 I2C for Arduino Memory DS3231 module
RTC Real Time Clock Module DS3231SN ChronoDot V2.0 arduino I2C Provides routines
Note: Because the courier air embargo, change the module does not contain the battery.
Module Features:
1, can provide For arduino library files and routines
2, using DS3231SN high-precision clock chip, built-in 32.768 crystal
3, can provide accurate year, month, day, hour, minute, second, morning and afternoon data
4, can output 1Hz signal, output a signal per second
5, you can use the CR1220 button battery to keep going
6, I2C bus pull-up resistor welding R1 R2
7, small size 3cm in diameter
8, pin spacing 22.86mm
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33062778277 – sitai
