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PROJECT DESCRIPTION

The main objective of the project is to control the robotic vehicle in a desired position, remotely through user voice commands by attaching a speech-recognition module to the microcontroller unit  and using an RF communication.

The proposed system consists of two blocks: transmitter and receiver block; both use a microcontroller of the 8051 family and a battery for power source. This project also consists of a laser beam light to diffuse the bombs if required from a certain distance. 

An RF transmitter module is connected to the transmitter unit with the help of an encoder device. A voice-recognition module and a set of push-button switches are interfaced to the microcontroller for giving the input.  The commands are sent from the voice or push-button switches to the receiver to control the movement of the robot either in forward, backward left or right directions.

An RF receiver is connected to the receiver end with the help of a decoder device. The two motors are interfaced to the microcontroller through a motor-driver IC wherein they are used to run or change the directions of the robotic vehicle.

The robot is controlled by the voice or push buttons wherein the commands are sent by the transmitter –and, based on these commands –the receiver controls the directions of the robot. A laser beam is mounted on the robot's body – whose operation is carried out by the microcontroller output through the appropriate signal from the transmitting end. The laser light used is just for demonstration purpose and is not a powerful one.

The future scope of this project can be enhanced using DTMF technology. Using this technology we can control the robotic vehicle by using cell phone. This technology has an advantage over long communication range as compared to RF technology.

PROJECT HIGHLIGHTS
Call/mail for Tech Support from 10 am - 7 pm IST.
Easy to use, Self-explanatory kit.
All-inclusive solution kit.
Extensive audio-visuals available.
Branding-free material.
Pre-programmed Microcontroller.
BLOCK DIAGRAM
Hardware Requirements
  • 8051 series Microcontroller
  • Speech recognition module
  • Push Buttons
  • RF module
  • Encoder
  • Decoder
  • Motor driver IC
  • DC motors
  • Resistors
  • Capacitors
  • Diodes
  • Batteries
Software Requirements
  • Keil compiler
  • Languages: Embedded C or Assembly
Q & A
Q:  Which microcontroller is used in this project?
A:  A 40 pin microcontroller from 8051 family is used in this project.
Q:  What is the range of RF?
A:  RF range is 50 meters.
Q:  At what frequency does it operates?
A:  433MHz is the operating frequency
Q:  What is the role of laser?
A:  LASER is used for demonstrating the possibility of deactivating an explosive bomb
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