The article describes a large -scale fire temperature alarm system, which uses DS18B20 to acquire temperature and alarm, and use CAN bus as backbone.

• 本文介绍了一种用DS18B20作为测温报警元件,以CAN总线作为主干网的大型火灾温度报警系统,并围绕DS18B20详细阐述了系统的硬件实现和软件实现。