瓦斯探测与防爆系统可实时监测环境下瓦斯的浓度值，并且当浓度超标时给出警报并且通过抽风装置降低该浓度，达到动态平衡，文件使用ATmega16 单片机-Gas detection and explosion-proof system, real-time monitoring of gas concentration environment, and when the concentration level exceeds the given alarm and ventilation equipm