Abstract
This paper involves the design and implementation of cell phone detection mobile robot. This is applicable in examination halls, private conferences and meeting rooms in which the using of cell phones is highly restricted. The robot is able to detect the presence of unauthorized communications by active phones and then distort them. The detection process is achieved by implementing an electrical circuit for sensing undesirable signals and using NodeMCU for interfacing the robot with a main computer unit. The main computer unit is used as a controlling platform in terms of mobile robot navigation as well as detection and jamming activating. This is accomplished by creating a graphical control panel programmed using a special HTML script. In this work, the cell phone detection mobile robot has been applied in an examination hall to simulate real educational environment. The robot has detected active calls by cell phones with a circle diameter of 1.2 meter and then jammed them directly. The whole area has been covered for detection and jamming by roaming the robot wirelessly via the remote main computer. Different voltage measurements for different detection distances have been recorded.
Highlights
The development of robotics and communication takes a large scale in the recent years
This paper presents this project by offering: (1) design and implementation of mobile cell phone detection circuit; (2) interface between mobile detector circuit with a main computer unit using NodeMCU; (3) design of a special hypertext markup language (HTML) script for jammer switching and mobile robot navigation; (4) implementation of an interfacing circuit between the NodeMCU and mobile robot motors drivers
The mobile robot structure includes the main frame sheet which stands on three wheels, two of them guided by DC motors for navigation and the third one is guided by the body frame
Summary
The development of robotics and communication takes a large scale in the recent years. To control the mobile robot via the main computer, a wireless camera is instilled in front of the robot’s body This camera is planted to monitor the target examination hall and help driving the mobile robot roaming among students till a detection of an unfavorable signal is recorded. The detector circuit is designed using one stage operational amplifier for detecting the radio frequency (RF) signals operating at the Universal Mobile Telecommunications Service (UMTS) bands This paper presents this project by offering: (1) design and implementation of mobile cell phone detection circuit; (2) interface between mobile detector circuit with a main computer unit using NodeMCU; (3) design of a special HTML script for jammer switching and mobile robot navigation; (4) implementation of an interfacing circuit between the NodeMCU and mobile robot motors drivers
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