Automatic fire alarm system based on MCUZhangKun,HuShunbinCollegeofMechanicalandElectricalEngineeringAgriculturalUniversityofHebeiBaoding,071001,ChinaE-mailaddress:zhangkun19850218LiJinfangBaodingBaolingTransformerCo.Ltd.TianweiGroupBaoding,071056,ChinaE-mailaddress:fangzili Abstract: The paper introduced an automatic warehouse fire a1arm system based on MCU. The system was mainly made up of ATmega16, temperature sensors, smoke sensors, and E