Smoke alarm solution
Smoke alarm, also called fire smoke alarm, smoke sensor, smoke sensor, etc. Powered by the bus, there can be multiple connections on the bus, which are connected to the fire alarm controller and communicated to form an alarm system. There is no sound at the scene when an alarm occurs, and the host has sound and light prompts. This type of smoke alarm device is generally called smoke detection Device. Smoke detectors with and without address coding