Alcohol concentration detection system design can achieve the following functions:         1, there are special circumstances when an emergency alarm button alarm can also be manually cancel the emergency alarm.         2, usually alcohol concentration and temperature can be set alarm values​ ​ , which have 1-9 alcohol concentration level, ambient temperature 0- 99 degrees, the system can simultaneously connect buttons also have to add, subtract function according to their needs, the operation is very convenient the system is also able to enter the setting interface, the interface will automatically exit the setting after 30 seconds if no button is pressed. And power-down save function, parameter settings are stored in the internal microcontroller EEPOM.     3, when the MQ-3 sensor detects alcohol, the signal from the analog to digital conversion ADC0832 get a digital signal, and then transferred to the AT89S52 controller proce

程序\酒精浓度检测仪 .txt
....\eepom52.h
....\酒精浓度检测.hex
程序
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