In this modern, various sensors are using in different fields. In this project we are using IR sensors to identify the alive human body in war field. There are numerous IR sensors being used today however the sensor that is utilized will identify the Infrared beams that are transmitted from the human body. There is a need to use PI camera because, we are using PI Camera for detecting our soldiers. At the point when an alive human is recognized in the scope of that IR sensor at that point it sends the flag to the raspberry pi. The code contains the enrolled portable number of the safeguard group. At that point the protect operation will be quick in identifying the people who are

This paper represents a brief description about design of rectangular microstrip patch antenna and its parameter effects in size, efficiency and compactness and parametric analysis in terms of return loss, bandwidth, directivity and gain by using same and different dielectric substrate materials with same and different thickness of rectangular microstrip patch antenna. The important parameters of patch such as L, W, ε r and h has its own impact in antenna characteristics. This parametrical impact is studied and verified. As thickness of dielectric substrate increases, the gain & directivity of rectangular microstrip patch antenna decreases and bandwidth increases. As ε r increases, the size of the antenna decreases but when height of dielectric substrate increase antenna size also increases. There will be always a compromise between miniaturization and other antenna characteristics. This antenna is designed for microstrip feed line technique and with center frequency (f 0 ) at 4 GHz. The parametric analysis is obtained by comparing the simulated results of rectangular microstrip patch antenna for different cases. The proposed antenna is simulated using HFSS tool at resonance frequency of 4 GHz.