S.Thenmozhi , M.M.Dhivya , R.Sudharsan , K.Nirmalakumari
Monitoring and control of greenhouse environment play an significant role in greenhouse production and management. To monitor the greenhouse environment parameters effectively, it is necessary to design a control system. Here controlling process takes place effectively by both manual and automatic manner. For manual control purpose, zigbee wireless network is used, which will send status of greenhouse environment automatic control process to control room. There we can control the activities through PC and send to controller back which is in greenhouse environment. There it will activates the actuator according to our wish. The main objective is to design a simple, easy to install, microcontroller-based circuit to monitor and record the values of temperature, humidity, and sunlight of the natural environment that are continuously modified and controlled in order optimize them to achieve maximum plant growth and yield. PIC 16F877A controller is used. It communicates with the a variety of sensor modules in order to control the light, aeration and drainage process efficiently inside a greenhouse by actuating a cooler, fogger, dripper and lights respectively according to the necessary condition of the crops.
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