可以测试酒精的浓度大小。

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includereg51h includeintrinsh sbit rsP24 LCD液晶引脚定义，p0接DB0DB7 sbit rwP27 sbit epP26 sbit aleP20 ADC0809引脚定义 sbit startP37 sbit oeP35 sbit eocP36 sbit addaP25 sbit addbP22 sbit adcP23 sbit lightP30 报警输出 sbit DQP33 DS18B20输入脚定义 sbit DEP31 unsigned char tempL0 unsigned char tempH0 float temperature unsigned char code dis1WORK START 状态显示 unsigned char code dis2ALCOHOL TEST unsigned char code dis3mg100ml unsigned char code dis4SAFE DRIVING unsigned char code dis5DRINKDRIVING unsigned char code......