ZIGBEE BASED DEFENCE ROBOT
Abstract
This project proposed an embedded system for safety and security purpose robot using zigbee communication. The robot has sensors for detecting Gas leakage and intruder detection, bomb. MQ6 Gas sensor detects the presence of bio hazardous gases like LPG, iso-butane, propane, LNG and alcohol, and the PIR sensor detects only the living organism (Intruder). The sensor details are first sent to the microcontroller which resides at the robotic side and then sent to the local system through Zigbee. The system also provides an audio and alarm to alert about the critical situation for the safety and security purpose. The robotic movement is controlled remotely from the local system by using the front end application VB 6.0. The Zigbee supports a frequency range of 2.4GHZ, 9600 baud rate with 256Kb of flash memory. It supports the range of 400m in open-air, line-of sight, outdoor environment. This proposed system is used wherever people cannot go or where things doing too dangerous for humans to do safely. That is the robot can move and reach to the high destiny gas leakage region. Mini robot is an autonomous security robot. The robot’s design specifications may vary according to the given application. An embedded system is designed to perform specific control functions within a larger system, often with temporal constraints. It is embedded as part of a complete device often including hardware and mechanical parts. Embedded systems contain processing cores such microprocessors, microcontrollers and discrete processors. The key characteristic, however, is being dedicated to handle a particular task. Since the embedded system is dedicated to specific tasks, design engineers can optimize it to reduce the size and cost of the product and increase their reliability and performance.
