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The main scope of project is to sense the presence of an activated mobile phone and camera from a distance of one-and-a-half meters to prevent the use of same in the examination halls. Certain places where uses of mobile phones are not allowed like exam hall, temple, offices and theaters, in those places to detect and restrict the use of mobile phones this proposed system is very helpful. This system can detect any active cell phone i.e. when someone is trying to make a call or receive a call, sending a message or receiving a message. In the above mentioned conditions a buzzer will sound, in the presence of an active cell phone in the radius of one and half meters. In our day to day life the usage of mobile phones has been increased in restricted area such as exam venues, places of important meeting, offices, conference halls, prison etc. and the hidden wireless camera in trial rooms and hotels, public toilets. The radio frequency signals are transmitted from wireless camera and mobile phone during the video transmission, incoming call and outgoing call, text messages from one gadget to another. The detector will detect the transmitted signal and then it is gives as input to Arduino microcontroller. As soon as the Arduino microcontroller receives the signal, it will turn ON the beep alarm and the information will be notification on mobile .This system will be used to detect the mobile phones and the wireless hidden camera present in a room 2nd International Conference on New Scientific Creations in Engineering and Technology (ICNSCET-20) International Journal of Recent Trends in Engineering & Research (IJRTER) Special Issue; March 2020 [ISSN: 2455-1457] @IJRTER-2020, All Rights Reserved 257 by the radio frequency signals which are transmitted by them.

Spy Camera and Mobile Phone Detector