RTC (Real Time Clock) can help users quickly query Time, for Time sensitive applications are necessary

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examples
RTC module will help the micro controller to track time, is module must be part of the time, we have an example here, to show you how to get the local time and upload time,
Copy the code below to REPL, observations,

 
RTC=RTC () 
RTC. Datetime (#) get the date and time 
RTC. Datetime ((2020, 12, 31, 4, 23, 58, 59, 0)) # set a specific date and time (year, month, day, weekday (0 for Monday), hour, minute, second, the total seconds) 
RTC. Datetime () # check the updated date and time