The temperature alarm of the data clock, the DS18B20 sensor can measure the real-time temperature, and then transfer the measured temperature information to the 51 single chip microcomputer, and then the 51 single chip microcomputer is displayed on the LCD1602 screen through the I/O port. The alarm device adopts buzzer, and the microcontroller determines whether it needs alarm by judging the received time signal and temperature signal, and then makes the buzzer respond.

Filename	Size	Update
程序代码.docx	19945	2016-12-18

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