SunFounder DS3231 RTC Real Time Clock Module High Precision for Raspberry Pi Arduino R3 Mega 2560
You buy SunFounder DS3231 RTC Real Time Clock Module High Precision for Raspberry Pi Arduino R3 Mega 2560 with Coupon : DESKTOP will be discounted 10%
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Why Use SunFounder DS3231 RTC Real Time Clock Module High Precision for Raspberry Pi Arduino R3 Mega 2560 ?
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http://www.sunfounder.com/wiki/index.php?title=DS3231_Real_Time_Clock_Module_for_Raspberry_Pi
As we know, the Raspberry Pi itself does not have the timing circuit. After rebooting the Raspberry Pi, its time will go back 1970 or won't run at all. However, with this DS3231 Real Time Clock Module installed, it can still be punctual timing without network timing service, which solves the problem of timing.
PS: the Raspberry Pi is not included
You buy SunFounder DS3231 RTC Real Time Clock Module High Precision for Raspberry Pi Arduino R3 Mega 2560 with Coupon : DESKTOP will be discounted 10%
