Implementation of wireless sensors network for automatic greenhouse monitoring

摘要

A hardware design and software simulation are presented to control and monitoring greenhouse parameters such as: air temperature, humidity provision and irrigation by means of simultaneous ventilation and enrichment. A set of smart wireless sensor modules to control and monitoring system were designed and tested. The heart of the smart sensor is a microcontroller that receives data on greenhouse environment conditions from many sensors installed inside and outside. The smart sensor transfers the data to and from a PC via a wireless transmission system. Accordingly, it changes the state of greenhouse command devices, heaters, fans and vapor injectors to reach the desired condition. A friendly GUI using high level language was developed to carry out the monitoring tasks. The program implements the control algorithms comparing the received data with set points, sending control signals to the smart sensors in order to reach the desired conditions. Performance of the designed system was tested by installing it in the model greenhouse with a set of smart sensors.