Cell phone detector circuit projects pdf

Every detector unit consists of a dipole antenna, a choke and a diode. It is also useful for detecting the use of mobile phone for spying and unauthorized video transmission. Mobile phone detector, frequency jamming feature, buzzer. Pdf abstract students use mobilephones to store lecturematerials. Figure 2 shows the circuitdiagram of mobilephonedetector, while. Rf antenna receives wireless signal after the circuit has been powered by a. The diodes must be schottky diodes or germanium diodes. The best use of this cellphone detector is in examination hall, meeting rooms etc. Cell phone detector circuit design detector circuit design. Pdf design and testing of mobilephonedetectors researchgate. Circuit diagram of cell phone phone detector electronicshub. It is built around lm358 ic1 and npn transistor bc548 t1.

The design and implementation of a mobile phone detector. This is a very interesting hobby project which can detect active mobile phone or gsm communication in its proximity. This mobile phone detector circuit helps to track the presence of an. Doc a project report at cell phone detector department of. The detector circuit consists of an inductor, diode, a capacitor and a resistor. Circuit diagram of the mobile phone detector using lm358 is shown in fig. A printed circuit board pcb is a selfcontainedmodule of interconnectedelectroniccomponent found. Cell phone detector is a circuit that can sense the presence of any activated cellphone nearby and gives an indication of activated cellphone near around of it.

Mobile phone detector svs group of institutions 23 chapter 5 conclusion and future scope 5. The circuit can detect the incoming and outgoing calls. Cell phone detector is a circuit that can sense the presence of any activated cell. Its small size makes it handy and it easily occupy space in your pocket. A project report at cell phone detector department of electronics engineering session 201220 acknowledgement. Mobile phone detector using lm358 full electronics project. Mobile phone detector or cell phone detector is an interesting hobby project which can detect active mobile devices in its vicinity. This project utilizes the rf system of the cell phone as the feature to be used to detect its presence. A project report at cell phone detector submitted by. Mobile phone detector svs group of institutions 22 figure 4. Cell phone detector circuit mobile phone tracking system circuit. A schottky diode bat54 is chosen as the detector diode, which can rectify low frequency ac signal. The diode demodulates the signal and finishes detecting. Cell phone detector or mobile sensor is a very helpful project in sensing presence of switchon mobile within range of 1.

So it can be used to prevent use of mobile phones in examination halls, confidential rooms, etc. Doc a project report at cell phone detector department. Active mobile phone means there is some live communication is going on like calls, sms sending or receiving etc. Pdf hidden active cell phone detector researchgate. Project on cellphone detector free final year projects. To avoid this we are introducing a project called cellphone detector this handy, pocketsize mobile transmission detector or sniffer can sense the presence of an activated mobile cell phone from a distance of one andahalf meters. You can choose the best of your choice and interest from the list of topics we suggested. To avoid this we are introducing a project called cellphone. Cell phone detector circuit mobile phone tracking system.