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RTC stop working with button cell
#4
1.download the code the serial port print the time
   
2.power off and install CR1220 
   
3.power on and read the time again(before power off the time is 10:02:45,and power on the time is 10:03:57)
   
   
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Messages In This Thread
RTC stop working with button cell - by jmartin - 07-20-2023, 05:30 PM
RE: RTC stop working with button cell - by KinCony Support - 07-21-2023, 02:14 AM
RE: RTC stop working with button cell - by admin - 09-28-2023, 05:06 AM
RE: RTC stop working with button cell - by admin - 09-28-2023, 05:31 AM
RE: RTC stop working with button cell - by admin - 10-02-2023, 08:24 AM

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