#LITERATURE REVIEW OF SMART IRRIGATION SYSTEM ANDROID#
2 receives the command from the Android App through internet. The microcontroller collects the sensor values and sends them to the ThingSpeak cloud through internet using the HTTP protocol. ThingSpeak provides an API (Application Programming Interface) key which is used to send the sensor data to the cloud and store it in the created channel and specified fields created. A channel is created in ThingSpeak, which is open source IoT (Internet of Things) application. Microcontroller is connected to the internet via Esp8266 acting as Wi-Fi module. 1 consists of soil moisture senor and temperature-humidity sensor interfaced with the microcontroller. The proposed system consists of two modules: transmitter and coordinator. This automated system minimizes farmers intervention in farming, increases crop production, saves time, helps remote monitoring and controlling and easy to install. The proposed irrigation system is efficient in managing water based upon soil moisture, environmental temperature and humidity. WSNs have been employed in both military and civilian applications such as target tracking, habitant monitoring, environmental contaminant detection and precision agriculture. They have attached to them a number of sensors, gathering data from the local environment that is being monitored. Sensor nodes are small stand-alone embedded devices that are designed to perform specified simple computation and to send and receive data. A WSN is composed of a number of sensor nodes, which are usually deployed in a region to observe particular phenomena in a geospatial domain. WSN is seen as one of the most promising contemporary technologies for bridging the real and virtual world thus, enabling them to interact. Wireless Sensor Networks (WSN) have been the subject of research in various domains over the past few years and deployed in numerous application areas. The Internet of Things (IoT) refers to the ever-growing network of physical objects that feature an IP address for internet connectivity, and the communication that occurs between these objects and other Internet-enabled devices and systems. Today Internet of Things is able to provide smart solution to irrigation system. In conventional Irrigation system, requires human effort and is time consuming. Hence efficient water management plays key role in agriculture. While under irrigated area suffers water stress. Hence roots of the plants do not get sufficient air. Excessive water replaces air in pores of the soil. Over irrigated area, suffers from poor plant health due to increase in salinity. Under Conventional Irrigation system, many parts of irrigated field are over or under irrigated due variability in the water holding capacity of land, water infiltration and water runoff. As growth and development of plants is prevented due to scarcity of water, similarly excessive water has adverse effect on growth of plants. Conventional Irrigation system either result in over irrigated or under irrigated land. Moreover, the water requirement by the crop depends on type of soil, crop and environmental parameters like temperature and humidity. The efficiency of the irrigation system in conserving water is not appreciable. There are various types of irrigation system that have been adopted. Irrigation refers to the supplying water to cultivation land as supplementation of rain fall. Agriculture is an occupation demanding plenty of water. In the present era, the greatest problem faced by world is scarcity of water. Keywords Android Application, Arduino, Internet of Things, Wi-Fi module, Relay.
The paper presents an automated irrigation system providing precision agriculture and thus preventing water wastage. It consists of wireless sensor node with Arduino publishing sensor data to cloud using Wi-Fi module and controlling the pump using relay. The system which is based on Internet of Things, logs the sensor data to the cloud and the farmer can monitor and control all the water pumps remotely over internet using Android application. The proposed Irrigation System in this paper aims at fulfilling water requirements of the crops, by monitoring the soil moisture and other environmental parameters. Under conventional irrigation system, irrigated land is either under irrigated or over irrigated resulting in adverse effects on crop growth and wastage of water. Due to inadequate rainfall, water requirement is not been able to meet. College of Engineering and Technology Hubli, India.Ībstract Water requirement for agriculture is large.