Design of Infrared Alarm System Based on RS-485 Bus
Introduces an infrared alarm system based on RS-485 bus.Discusses the system's principle and the hardware's design.And presents the structure diagram of hardware and the software flow.The system could make spot fortify and audible and visual alarm,also,it can realize remote monitoring and computer alarming.The alarm is small,long-distance communication,easy to expand as a switchboard advantages of multi-point alarm system.After repeated testing,the alarm is reliable and has high practical value.