Microcontroller Based Comaflage Robot

Electronics And Telecommunication Engineering

The design is based on 89S52 micro controller and various interfaces like RF TX and Rx, dc motors etc. Now-a-days spying the enemies is very difficult for the soldiers because it is life risky process. So for that we have to use the present technology in spying enemies without loss of soldier’s lives. The project is basically used to detect an object by using a wireless robot with a camera. This project uses a RF so that the robot can be operated wireless. The whole system consists is divided into two modules, the TX module and the Rx module. The TX module contains keyboard (switch) operation used to control the motion of the robot and the Rx module contains the actual machine (robot) .The robot moves in various directions as per the switching action at the transmitting side. The different key press generates different RF signals. The Rx receives these signals and moves accordingly. But the important thing to be noted here is that there is no connection between the TX and Rx section. Radio frequency (RF signal) makes this task very simple. The RF TX sends a signal to the micro controller at the Rx side as soon as any key is pressed at the TX side .Now the micro controller at the Rx side rotates dc motors to make the robot move in various directions. Here a mechanical arrangement is provided for the actual appearance of the robot. The main highlight of this design is data transmission without any wire (wireless data transfer) using RF communication. The project design is also provided with an important feature of viewing the images of robotic movement in its path at the remote side on a PC for a total of 360 dig rotation. For this a wireless camera is arranged with a dc motor on to the robot. Thus the design is said to be a Spying Robot with wireless camera. The main highlight of this design is data transmission without any wire and hence it is known as RF based Mobile Robot. The radio frequency that is being used here is 433MHz.A Robot can be of any type to manufacture. Even though the robot can do anything, it is a useless thing if it is uncontrollable. Here, controlling a robot is main task by arranging a gas detector circuit on the embedded platform which is arranged on the robot. If the robot will sense the gas it will send the signals to microcontroller and user will come to know. If any obstacle comes in front of robot it will stop at its position until user gives the command. By using color sensor we will detect the color of floor and accordingly the color of robot will change.

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