SENSORS:- Sensors are the device which is used for the two following purpose:- 1.senses or detects any change in the ambient condition of change in the state of another device 2.records or conveys the information about the change in a certain manner. The specific input could be any one of the followings : light heat motion moisture pressure any one of the great number of other environmental phenomena. After the sensing or detection,the output which is generally a signal converted to the human-readable display at the sensor location or transmitted electronically over a network for reading or further processing. Wireless sensor network (WSN):- The group of spatially dispersed and dedicated sensor is referred to as Wireless sensor network (WSN). The main activities of this sensor in the WSN are monitoring, recording the physical conditions of environment and organizing the collected data at a central location. Next question is what does the WSN measure? The response to the query is a...
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