Description: (1) shows that year, month, day, week, when, minutes and seconds
(2) can through the keyboard input the date and time of the initial value
(3) through the function keys can realize data storage, inquiry, upload (serial communication) function
(4) always show indoor temperature and humidity,
(5) through the function keys will be able to realize the external interruption and timing interrupt function
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huibian.txt
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