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APresentation
OnA Cell phone operating Robot vehicle based on Embedded system
Presented in partial fulfillment of Bachelors Degree in TechnologyRajasthan Technical University
Kota
[Session: 2011-2012]
Submitted To: Presented By: HoD Sir Harvinder singh
Roll no. 08ESBEC043Department of Electronics & Communication Engineering
Sri balaji College of Engineering & TechnologyJaipur
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CONTENT
Company Profile Introduction
Project Description
Working
Applications Future Enhancement
Conclusion
Training certificate.
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Company Profile
CMC Limited is an Information Technology services.
It is a consulting and software company having its Headquarters in NewDelhi, India.
CMC is part of the TATA group and is a subsidiary of Tata ConsultancyServices(TCS).
CMC was incorporated on December 26, 1975, as the 'ComputerMaintenance Corporation Private Limited.
On August 19, 1977, it was converted into a public limited company.
In October 2001, CMC was privatized by the Government of India, in a-
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Embedded System
Definition:
An Embedded system is a computersystem designed to do one or a few
dedicated or specific function oftenwith real-time computing constraints.
The real-time constraint in this system isthe time in which the function must be
performed. It have computer hardware and software
embedded as parts of a completedevice or system.
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Embedded System in general life
Embedded systems range from portable devices suchas digital watches and MP3 players.
Other large stationary installations like trafficlights, factory controllers.
Many household appliances, such as microwave
ovens, washing machines and dishwashers, are alsoincluding embedded systems.
Another example Home automation which uses wired-and wireless-networking that can be used to controllights, security, surveillance, etc. all of this use
embedded devices for sensing and controlling. Various electric motors-Induction motors and DC
motors are using electric/electronic motor controllers.
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A project cell phone operated robotvehicle based on Embedded system.
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Project Description
Conventionally, Wireless-controlled robots use RFcircuits, which have the drawbacks of limited workingrange, limited frequency range and the limitedcontrol.
Use of a mobile phone for robotic control canovercome these limitations. It provides the advantageof robust control, working range as large as thecoverage area of the service provider.
In this project the robot, is controlled by a mobilephone that makes call to the mobile phone attachedto the robot in the course of the call, if any button ispressed control corresponding to the button pressedis heard at the other end of the call.
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Component used
Atmega microcontroller IC.
L293D 16 pin motor driver IC.
HT9170 DTMF 18 pin decoder IC.
Crystal oscillators.x1-12MHz
x2-3.57MHz
5 led s.
1 Voltage regulator IC 7805. DC Motors 12v, 300 rpm.
12 v DC Adapter.
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Component used (contd.)
Capacitor Two electrolytic capacitor (1000 MFD each).
Four 0.1 MFD capacitor.
One 10 MFD capacitor.
Two ceramic capacitor(33pf each).
Resistance
Two 47k ohm.
Four 1.2k ohm.
One 10k ohm.
One 2.2k ohm.
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Software used
KIEL uVisionThe Vision IDEfrom Keilcombines project
source codeediting, programdebugging, and
completesimulation in onepowerfulenvironment.
The Vision
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Burner or Programmer(device) used
DESCRIPTION
Burner is a
programmerwhich is used forburn source codein microcontroller
via computer orlaptop.
Burner is USB
based device
DIAGRAM
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Block Diagram
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Circuit Diagram
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Working
Technique Used:- DTMF(Duel tone Multi Frequency0 In this project, the robot is controlled by a mobile phone
that makes a call to the mobile phone attached to the robot.
In the course of a call, if any button is pressed ,a tonecorrespond in the button pressed is heard at the other endof the call.
This tone is called dual-tone multiple-frequency (DTMF)tone.
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Working (Contd.)
When we press a button from mobile keypad Adual Frequency tone is generated which is uniqueidentification of that particular number.
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Working (Contd.) Now this tone is fed in to DTMF decoder
IC(HT9170) which generate 4 bit binary output. These output table is as followed:-
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Working (contd.)
Now 4 bit output of this Decoder IC is applied atthe input pins of microcontroller IC.
Then microcontroller IC provide two couple of bitswhich is fed in to l293d motor IC.
Now this(l293d) IC will drive two motorsaccording to controller IC output which isconnected with this IC.
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Click to edit Master subtitle style
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Program Used
#includesbit Sw1=p1^0;sbit Sw2=p1^1;sbit Sw3=p1^2;
sbit Sw4=p1^3;sbit m11=p2^0;sbit m12=p2^1;sbit m21=p2^2;
sbit m22=p2^3;
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Program used
int main(){
sw1=1;
sw2=1;
sw3=1;
sw4=1;
m11=0;
m12=0;
m21=0;
m22=0;
}
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Program used
if(sw1==0)//for forward logic
{
m11=1;
m12=0;m21=1;
m22=0;
}
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Program used
if(sw2==0)//for left logic
{
m11=0;
m12=0;m21=0;
m22=0;
delay(500);
m21=1;m22=0;
}
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Program used
if(sw3==0)//for right logic
{
m11=0;
m12=0;m21=0;
m22=0;
delay(500);
m11=1;m12=0;
}
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Program used
if(sw4==0)//for backward logic
{
m11=0;
m12=0;
m21=0;
m22=0;
delay(500);
m11=0;
m12=1;m21=0;
m22=1;
}
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Program used
void delay( int i)
{
int i;
for( i=0;i
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Application
As a spy robot. In military Applications. In difficulties & in accidents.
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Future Enhancement
Installation of a camera on robotvehicle for scene of site where robotis present.
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Conclusion
We have learnt about use of embeddedsystem.
We have learnt about the dtmf technique.
We have learnt about the dtmf decoder IC,microcontroller & motor driver IC.
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Certificate of Training
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thanks
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QUERY?