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Title: Online wholesale market in India (1)


1

NAGARJUNA COLLEGE OF ENGINEERING AND TECHNOLOGY
Venkatagiri kote, Devanahalli, Bengaluru -
562164 Department of Computer Science
Engineering  

Presentation
on IMPLEMENTATION OF SMART AUDITORIUMS IN
COLLEGES Submitted by Ms. JAYITA DEB USN
1NC13CS042 Ms. SHRUTHI S R USN
1NC13CS091 Mr. SUBHAM CHATTERJEE
USN
1NC13CS096 Mr. VENKATAGIRI Y G USN
1NC13CS107 Under the guidance of Mr.
RAGHAVENDRA B Assistant Professor, Dept. of
CSE NCET, Bengaluru
2
ABSTRACT
  • The project deals with making a commercial smart
    auditorium which would conserve power and
    energy and time to a greater extent.
  • The project is to design and employ power
    saving in general auditorium of colleges and
    educational institutions. To do so we make use of
    various sensors like temperature sensor, smoke
    sensors. Using these sensors we might code a
    threshold value for certain tasks to be
    implemented as and when required. Generally an
    Auditorium consists of number of electrical and
    electronic devices or equipments. To control and
    monitor all these equipments or appliances we
    need a person or controlling system. In this
    project we implement the working of smart power
    controlling and saving in auditoriums by using an
    electronic circuit and sensors in an easy way
    without having human being. And also this will
    reduce power consumption.

3
CONTENTS
  • Introduction
  • Literature Survey
  • System requirement
  • System Analysis
  • System design
  • Implementation
  • Conclusion Future Enhancement

4
COMPONENTS REQUIRED
5
INTRODUCTION
  • Application of knowledge to the practical aims of
    human life or to changing and manipulate the
    human environment is known as technology.
  • Technologies that allow sensors, databases, and
    wireless access to collaboratively sense, adapt,
    and provide for users with in the environment
    smart technology.
  • With all these immense success of smart
    technologies, we are introducing our project
    smart auditorium that evolves in reducing power
    consumption and preserves energy.
  • The working model of the project would deal with
    implementing various sensors across the
    auditorium so as to control several power
    consuming appliances in an efficient way.

6
LITERATURE SURVEY
  • EXISTING SYSTEM
  • Using Image Processing Technique
  • Using Pressure Sensors

7
  • Disadvantages of Using Image Processing
    Technique
  • 1. Camera cost is high .2. Complex edge
    detection algorithm.3. Less accuracy while
    synchronization of the processed image and real
    time image.Disadvantages of using pressure
    sensors
  • 1. Depends on crowd intensity2. Area covering
    algorithm is less accurate

8
Disadvantages of
9
SYSTEM REQUIREMENTS SPECIFICATIONS
  • Hardware Requirements
  • Arduino UNO Board
  • PIR sensor (Passive Infrared sensor)
  • Smoke Sensor
  • Motor
  • Buzzers
  • LEDs

10
System Requirements cont.
  • Software Requirements
  • OS Windows 8
  • Programming Language C
  • Arduino Software 1.8.2

11
  • FUNCTIONAL REQUIREMENTS
  • Sensors should sense the human presence and
    absence.
  • Automated controlling capacity.
  • User friendly implementation.
  • Board should be feasible.
  • NON-FUNCTIONAL REQUIREMENTS
  • Reliable
  • Portable
  • Cost Efficient
  • Low power consumption

12
  • Arduino UNO Board
  • Arduino is an open-source platform used for
    building electronics projects.
  • Arduino consists of both a physical programmable
    circuit board (often referred to as a
    microcontroller) and a piece of software, or IDE
    (Integrated Development Environment) that runs on
    your computer, used to write and upload computer
    code to the physical board.
  • The Arduino platform has become quite popular
    with people just starting out with electronics,
    and for good reason.

13
ANALYSIS CONTINUES
Figure Arduino UNO Board
14
  • PIR Sensor
  • PIR sensors allow you to sense motion, almost
    always used to detect whether a human has moved
    in or out of the sensors range.
  • Everything emits some low level radiation, and
    the hotter something is, the more radiation is
    emitted.
  • The sensor in a motion detector is actually split
    in two halves. The reason for that is that we are
    looking to detect motion (change) not average PIR
    levels. The two halves are wired up so that they
    cancel each other out. If one half sees more or
    less PIR radiation than the other, the output
    will swing high or low.

15
ANALYSIS CONTINUES
Figure PIR Motion Sensor
16
  • Smoke Sensor
  • A gas detector is a device that detects the
    presence of gases in an area, often as part of
    a safety system.
  • This type of equipment is used to detect a gas
    leak or other emissions and can interface with
    a control system so a process can be
    automatically shut down.
  • A gas detector can sound an alarm to operators
    in the area where the leak is occurring, giving
    them the opportunity to leave. This type of
    device is important because there are many gases
    that can be harmful to organic life, such as
    humans or animals.
  • Gas detectors can be used to detect combustible,
    flammable and toxic gases, and oxygen depletion.

17
Figure Smoke Sensors
18
SYSTEM ANALYSIS
  • PROPOSED SYSTEM
  • The proposed system brings out a new way of
    implementing the smart auditorium system by using
    the PIR sensors. The infrared sensors will detect
    any human presence and it activates the code
    processing of the microcontroller to which it is
    attached to and it will pass the appropriate
    control signals to various devices connected to
    the microcontroller using circuit. Further this
    implementation will curb the loss and wastage of
    power and will be cost effective and power saving
    implementation.

19
  • ADVANTAGES OF PROPOSED SYSTEM
  • The most important advantage of this project is
    that it is power conserving, as the entire
    auditorium has been divided into several blocks
    of sittings, at any instant when the deployed
    sensors take a motion parameter i.e. presence of
    human motion (thermal motion) then it will power
    only that part of the auditorium in which the
    motion has been detected. Thus, in this way the
    appliances which are placed in other blocks are
    restricted to be switched ON.
  • Another important factor of this project is that
    is cost effective. The sensors deployed are cheap
    and efficient

20
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21
SYSTEM DESIGN
22
Fig Use Case Daigram
23
Figure SYSTEM ARCHITECTURE
24
BLOCK DIAGRAM
25
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26
CONVERSION OF SOUND ENERGY INTO ELECTRICAL ENERGY
27
Sound energy conversion
ELECTRICITY
SPEAKERS
28
As per faradays law, generated emf is given by
Generated voltage (emf) velocity of
conductor X magnetic field X

length of conductor
29
CIRCUIT DIAGRAM
30
IMPLEMENTATION
31
  • ardOS FETURES
  • A compact and configurable kernel.
  • Prioritized scheduling for hard real-time tasks.
  • Binary and counting semaphores.
  • Mutex locks and conditional variables.
  • First-in-first out and prioritized message
    queues.

32
Exit
PIR SENSOR
PIR SENSOR
PIR SENSOR
PIR SENSOR
Entry
FUNCTIONAL CIRCUIT
33
Codes for Implementation
Arduino code for PIR Motion Sensor prototype
//the time we give the sensor to calibrate (10-60
secs according to the datasheet) int
calibrationTime 30          //the time when
the sensor outputs a low impulse long unsigned
int lowIn           //the amount of
milliseconds the sensor has to be low //before
we assume all motion has stopped long unsigned
int pause 5000    boolean lockLow
true boolean takeLowTime    int pirPin 3   
//the digital pin connected to the PIR sensor's
output int ledPin 13    
34
  ///////////////////////////// //SETUP void
setup()   Serial.begin(9600)   pinMode(pirPin,
INPUT)   pinMode(ledPin, OUTPUT)   digitalWrite(
pirPin, LOW)     //give the sensor some time to
calibrate   Serial.print("calibrating sensor
")     for(int i 0 i lt calibrationTime
i)       Serial.print(".")       delay(1000)
           Serial.println(" done")     Serial.pr
intln("SENSOR ACTIVE")     delay(50)
35
 
//////////////////////////// //LOOP void
loop()        if(digitalRead(pirPin)
HIGH)        digitalWrite(ledPin, HIGH)   //the
led visualizes the sensors output pin
state        if(lockLow)           //makes sure
we wait for a transition to LOW before any
further output is made          lockLow
false                     Serial.println("---")
         Serial.print("motion detected at
")          Serial.print(millis()/1000)         
 Serial.println(" sec")          delay(50)     
                       takeLowTime
true        
36
 if(digitalRead(pirPin) LOW)      
       digitalWrite(ledPin, LOW)  //the led
visualizes the sensors output pin
state          if(takeLowTime)         lowIn
millis()          //save the time of the
transition from high to LOW         takeLowTime
false       //make sure this is only done at the
start of a LOW phase                 //if the
sensor is low for more than the given pause,
       //we assume that no more motion is going
to happen        if(!lockLow millis() - lowIn
gt pause)             //makes sure this block of
code is only executed again after            //a
new motion sequence has been detected            l
ockLow true                       
           Serial.print("motion ended at
")      //output            Serial.print((millis(
) - pause)/1000)            Serial.println("
sec")            delay(50)                    
  
37
Arduino LED Blink Code / //Sets Red to
digital pin 8 and Green to digital pin 7
define Red 8 define Green 7 void
setup() //Initializes pin 8 and 7 as
outputs pinMode(Red,OUTPUT)
pinMode(Green,OUTPUT) void loop()
//Blinking digitalWrite(Red,HIGH) //Red on
digitalWrite(Green,LOW) //Green off
delay(500) //Wait half a second
digitalWrite(Red,LOW) //Red off
digitalWrite(Green,HIGH) //Green on
delay(500) //Wait half a second
38
CONCLUSION
  • The smart auditorium evolves in reducing power
    consumption and preserves energy. This concept is
    not a new one in internationally business hubs
    but it has not been introduced to schools and
    colleges. This project will provide a college
    auditorium with high-tech facilities and the
    comfort level will be improved. We will also
    perform energy conversion that is from sound
    energy to electrical energy by using the
    vibration of speaker that can be used to lighten
    up small electrical appliances.

39
FUTURE ENHANCEMENT
  • Regarding this project, we can develop a real
    time communicating fire extinguisher system which
    would cut down the paper consumption as well as
    would be more accurate and precise with the fire
    detection techniques. Image processing can be
    done to detect the proper location of the fire
    effected area and moreover a fully digitalized
    and intelligent system can be developed which
    might help not only to detect and douse fire but
    also to guide the victims to a safer area as well
    as to control the fire occurrences of fire
    incidents by monitoring the building as a whole.

40
THANK YOU ! ! !
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