The microcontroller core design, modular design, divided into the following functional blocks: microcomputer control system, real-time clock module, the ambient temperature detection module, voice alarm module. A microcontroller as the core of the entire hardware system, it is both the controller to coordinate the work of the machine, and the data processor. It consists of the microcontroller, the clock circuit, reset circuit. 2, the temperature detection circuit using wire digital temperature sensor DS18B20, it has a unique single-wire bus interface mode, with a simple interface, high precision, strong anti-jamming ability, stable and reliable.

电子设计
........\111.bmp
........\111.txt
........\clock1.c
........\flash.c
........\方案.doc
........\方波频率测试.txt
........\最后的程序和报告
........\................\clock3.c
........\................\电子设计竞赛设计报告.doc
........\电设.doc
........\频率原始版.txt

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