Abstract
This article presents a monitoring and alarm system for greenhouse group with relatively high precision and high performance price ratio. It conducts a study on multi-point inspection technology of greenhouse environment parameter. The system hardware and software design takes modular structure, which makes the system flexible. The whole monitoring system takes double master-slave structure, making the system configuration more flexible. The remote monitoring of greenhouse group by PC is realized by RS-485 wired communication. In this paper, sensors used for environment parameter detection are selected, hardware circuit is designed and software programming is completed.
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