Data Acquisition and Supervisory Control System for Environmental Parameters in Greenhouse

In this project the process variables like Temperature, Humidity are sensed and their continuous reading is transferred to a remote PC via wireless. The project was initially computed and monitored on LabVIEW software and then its hardware circuit is prepared. The minimum response time between sensing and controlling is very small (few milliseconds). Minimum response time for ON and OFF the control relay was found in micro seconds. The parameter range can be controlled by the programmer controller. A greenhouse environment parameters monitoring system based on wireless communication technology has been developed, which realizes the measurement, summary and control of temperature, humidity and the other parameters. Keyword:- Microcontroller, relay, sensor, VRS, etc… 1. I.INTRODUCTION In our project a greenhouse environment parameters monitoring system based on wireless communication technology has developed, which realizes the measurement and control of temperature, humidity and the other parameters at different places. DAQ (Data Acquisition) is defined as the process of taking a real-world signal as input, such as a voltage or current any electrical input, into the computer, for processing, analysis, storage or other data manipulation or conditioning. LabVIEW (Laboratory Virtual Instrument Engineering Workbench) is a graphically-based programming language developed by National Instruments. Its graphical nature makes it ideal for Test and Measurement (T&M), automation, instrument control, data acquisition, and data analysis applications. Earlier techniques are available to monitor and control the required environmental parameters for the particular crop. It is particularly crucial to analyze the methods which can effectively manage the proper environment. We use of wireless sensor network for the large area is now becoming popular in greenhouse technology of precision agriculture. A greenhouse environment parameters monitoring system based on wireless communication technology has been developed, which realizes the measurement, summary and control of temperature, humidity and the other parameters.