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With the increasing pressure on our natural resources and diminishing soil quality, there is a need to make better efforts to conserve them. This project aims to help control the irrigation in a small field. The motor pump set equipped at the field is prone to a variety of operational issues like Power Quality issues, Reverse run of the pump, Irregular Power Supply. Using an ATMEGA Microcontroller equipped with GSM Module for connectivity, this model is able to provide the user with remote control for the motor pump set equipped at his field. Additionally, this model comes with protection schemes for detection of Input Phase Sequence Supply and protection against Over Voltage and Over Current. This system aims to reduce the man power requirement in the field by providing remote or at home control of the pump set applied on the field with cost effective and easy control which can be used by unskilled operators as well.

Proper operation of any process is ensured by its continuous monitoring and monitoring of a system depends solely on the availability of data about the process variables. Traditionally wired sensor networks have been used to collect the data of the process variables as it enables the remote monitoring of the entire process from a place. The major problem with the wired sensor network includes the time needed to realize these networks as well as the cabling needed for these networks. Wireless sensor networks appear to be the best alternative to wired sensor networks in terms of ease of implementation and the time and space needed for implementation. But a wireless sensor network requires an ad-hoc network for communication and data transfer. Also, monitoring systems collect a large amount of data that itself presents a problem of handling bulk data and logging this data for future studies. For that, we need to develop a database to save this data and a mechanism for logging this data into the database automatically.This paper presents development of two vital building blocks needed in the making of a wireless sensor network, using open source tools and open standards. First is a wireless serial link for connecting nodes in a wireless sensor network. Second is the development of a database and a data logging system to log the data received from the sensor nodes into the database. The wireless serial link is realized using XBee radio modules which work on ZigBee protocol. Open source database management system, MySQL, is used to make database and to automate the task of logging the data into the database, we have used Python scripts. Both the developed systems have been used in our work of "wireless sensor network based power monitoring system". And the results obtained there validate our developed systems.

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