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Kinect Powered Automated Shopping Cart

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by

Mubashir Hasan

on 10 November 2014

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Transcript of Kinect Powered Automated Shopping Cart

Introduction
Revolution in history of shopping
Changing the concept of Carts used since 1930s
Also known as SMART CART
Providing the real comfort and pleasure of shopping
Advantages
A totally new experience
Allow you care free shopping
Providing you total bill in real time
Improves speed of purchase
Providing Independent shopping to disable people

Kinect Powered Automated Shopping Cart
The Concept
Kinect For Windows
RFID Reader and Tags
Automatic Billing
Motors and Driver Circuit
Obstacle Detection Sensors
Key Components
KINECT For Windows
Kinect is a camera which gives R , G , B and depth information of each pixel.
It interpret specific gestures.
It is compromised of
1- Infrared projector and camera
2-Aspecial microchip to track the movement of objects and individuals in three dimensions.

Kinect Hardware
This is called depth image taken by KINECT to process the image
Working
Uses Inductive Coupling.
Operates on different frequencies 125Khz, 13.56Mhz and 900Mhz onwards

Applications
Offices and factories for employee
Shopping Malls
Tracking
Libraries
ATM Cards
Kinect recognizes persons and body movements which is used in applications.
Kinect recognizes voice in rooms and can be used for voice control of applications.
But before this Kinect is initialised interactively with the user.



Detected face and upper body
regions in the RGB image



After the training, person and body movements will be recognized. More than one person can be identified in a scene.
What Kinect Does?
Active Tags
Active tags contain a battery that runs the microchips circuitry
The tag is able to send a stronger signal to the reader due to battery
This in turn increases the read range, which can be up to about hundreds of feet as compared to few feets of passive tags.
Expensive

WHY KINECT IS REVOLUTIONARY?
Kinect has a wide variety of applications, like, Games and interactive playing, exercising, control of devices by voice and gesture, automation and robotics, medical sciences, and many more......
It is the first practical natural user interface for machines communicating with people
It is combining acoustical and visual sense
It is recognizing full body movements, even complicated ones
After selling a total of 8 million units in its first 60 days, the Kinect holds the Guinness World Record of being the "fastest selling consumer electronics device".
Introduction to RFID
RFID stands for Radio Frequency IDentification
RFID is a technology that uses radio-frequency waves to transfer data between a reader and a movable item to identify, categorize, track….
RFID is fast, reliable and does not require physical sight or contact between reader scanner and the tagged item
Key Components of RFID

RFID Tags

RFID Reader


RFID Antenna

RFID Station

RFID Tags
Two Types of RFID Tags
Passive Tags
Passive tags contain to battery
Passive tags get power form the reader
RFID readers send electromagnetic waves that produce a current in the tag’s antenna which than powers the microchips circuit
This limits the read range of passive tags to only few feets
Cheap
Working Principle

RFID VS Barcode
Ultrasonic Sensor

Definition of Ultrasonic
ULTRASONICS is made up of two words “ULTRA” meaning BEYOND and “SONICS” meaning SOUND.

Sound waves in which the frequencies are above the limits of human audibility i.e. > 20 KHz are called ULTRASONICS.



Ultrasonic Sensor
Ultrasonic sensors (also known as transceivers when they both send and receive) work on a principle similar to radar or sonar which evaluate attributes of a target by interpreting the echoes from radio or sound waves respectively. 
An ultrasonic transducer is a device that converts energy into ultrasound, or sound waves above the normal range of human hearing.
Working Principle
Ultrasonic sensors generate high frequency sound waves and evaluate the echo which is received back by the sensor. 
Sensors calculate the time interval between sending the signal and receiving the echo to determine the distance to an object.
Applications
Submarine Radar : The ultrasonic sensor use in submarine to detect the surrounding by projectile the echo to the surrounding and build an image of what is the view in the sea.
Parking sensor : The ultrasonic sensor use in car to assists the parking by detecting the distance between the obstacle behind. The sensor can be found at the bumper of the car.
Level Sensing : In industry, ultrasonic sensor already been use widely to detect a level sensing such as in water treatment center where it help to monitor the level of water for treatment.
H-Bridge Driver Circuit
An H-Bridge is an electronic power circuit that allows motor speed and direction to be controlled.
An H-bridge circuit inputs the micro controller instructions and amplifies them to drive a mechanical motor.
An H-bridge circuit inputs the micro controller instructions and amplifies them to drive a mechanical motor.
The muscle represents both the H-bridge and the motor combined.
Most often H-bridges are used to control rotational direction of DC motor. And unless you buy a potentially expensive motor-driver, you need an H-bridge to control any robot with a motor.
Schematic Diagram
H-BRIDGE QUAD MOSFET DRIVER FOR DC MOTOR CONTROL

Working Principle
The power electronics actually form a letter H configuration.
Switches represent MOSFETs
If it is desired to turn the motor on in the forward direction, switches 1 and 4 must be closed to power the motor.




If it is desired to turn the motor on in the reverse direction, switches 2 and 3 must be closed to power the motor
Arduino
Arduino is a single-board microcontroller, intended to make interactive objects or environment.
Referred as BRAIN of any project.
Introduced in 2005
is the go-to gear for artists, hobbyists, students, and anyone with a gadgetry dream.
Since Introduction 1000s of Projects and applications
A Simple Arduino UNO R3
You can tell your Arduino what to do by writing code in the Arduino programming language and using the Arduino development environment.

Arduino Provides you their libraries for many of the applications and projects which you can use for source code for FREE.

It uses simple C++ Language in simplified form which is easy to understand.

It require simple functions and IF WHILE commands and Boolean operators to work for eg DigitalRead() DigitalWrite() etc

Arduino Programming
Arduino Development Environment
Kinect Smart Cart
Controlling large DC motors
Controlling Sensors
Robotics

Applications
Different Types of Arduino
UNO R3
Robot
Leanardo
Due
Lillypad
Esplora
ARDUINO DUE
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