基于单片机的酒精浓度检测仪的设计

摘要

This paper describes hardware design and software design of the alcohol concentration detector , mainly used in the detection of drunken driving. This system uses single-chip with alcohol sensor named MQ-3 as the detective devices , adopts the ADS7886 chip, enabling accurate measurement of alcohol concentration.%主要介绍了酒精浓度检测仪的硬件设计和软件设计，可用于检测司机是否酒后驾车。该系统设计以单片机为核心，采用 MQ-3酒精传感器作为探测器件， AD 转换芯片采用12位的ADS7886，其精度高，可实现一定范围内的酒精浓度检测。