Use STC8952RC as the processor to transmit data to the 1602 LCD screen through the P0 port. DS18B20 collects temperature information, and DS1302 provides accurate time. Four buttons. The first button is to select the time position that needs to be modified. Press once to select the next one, and so on. The second button is to increase the value by one, the third button is to decrease the value by one, and the fourth button is to decrease the value by one. confirm. There is also a reset button. The program is connected to the pin header through the ch340 serial port for programming. Powered by USB port; ds1302 uses rs232 battery as backup power supply. The buzzer serves as an hourly signal.
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