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WIRELESS LAND MINE DETECTING ROBOT
INTRODUCTION
• While diplomats work to restrict the manufacture, sale, and use of land mines worldwide, a massive cleanup effort is needed to find and destroy the estimated 100 million land mines still buried in 65 countries.
• Land mines left behind from wars worldwide are one of the century's most unsolved problems of war and remain the focus of humanitarian mine detection.
• Demines face monumental task in clearing landmines, most common method to find landmines is by metal detector, Dogs, bees, and rats can also find landmines.
• People will have to go in and still remove the landmine by hand with a prod. Process is fraught with dangers and long-term viable demining methods are needed.
• Here the landmine detection is carried out by using the robot, and the robot gives the mine information using the RF wireless communication.
EXISTING SYSTEM
 Earlier the detection of landmines is done by humans through metal detectors.
 They go in and remove the landmines by hand, and so there is a risk of life and sometimes loss of life may occur.
 In order to avoid that risk we go for robots to find the landmines inside the land and save many of the lives.
PROPOSED SYSTEM
 Microcontroller is the heart of this project which controls the robot.
 Robot moves according to the input controls given by the microcontroller.
 Here we are going to employ a mine detecting sensor for landmine detection.
 As the robot moves, the sensor searches for mines in the war fields.
 If the sensor detects any mine, it produces corresponding voltage variations, which automatically changes the state of the comparator.
 The comparator gives this signal to microcontroller which in-turn gives an alert message to the remote base station via RF.
 The alert message is displayed in the receiver side through LCD.
BLOCK DIAGRAM
TRANSMITTER:
RECEIVER:
Hardware Used:
 Land mine sensor
 LM 358 Comparator
 RF Transmitter and HT12E Encoder
 RF Receiver and HT12D Decoder
 8051 Microcontroller
 Relays with ULN 2003A IC
 Robot Mechanism
 LCD.
Software Used:
 Keil C compiler
 Embedded C
ADVANTAGES
 Without human intervention it easily finds the landmines
 Low cost.
APPLICATIONS
 Can be used for military purposes.

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