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Abacus

 Abacus

A digital device design for Kirana Shopkeepers (Grocery Shopkeepers)

Anushka Srivastava

February 26, 2014
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  1. Design Project II
    Digital Device Design

    View Slide

  2. Designing a smart digital device for
    Designing a special purpose device which are tailor made for specific user
    activities and profiles, empowering them in all walks of life making their
    personal and professional lives easier.
    Kirana Shopkeepers

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  3. Research
    “An inside view of a Kirana shop suggested nothing has changed since past 30 years,
    same old telephone- Landline, phonebooks, use of paper- pen and to some extent
    calculators…yeah it was all the same.”

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  4. Research Methodologies
    - Contextual Inquiries
    - Interviews
    - Observations

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  5. Shopkeeper 1 Shopkeeper 2 Shopkeeper 3
    Mr. Nagaraja, 37 years
    experience, family business,
    - Perishable items: takes special
    care during summers, orders less,
    according to what is required.
    - Knows about various TAX-
    VAT, TIN etc.
    - Aware of the business policy
    followed by malls.
    - For shop identification, hangs
    stuff outside.
    - Will go for business diversion
    into plastics.
    - Has global customers, online
    presence.
    - Operating time 10 am- 9pm.
    - Max profit: during festivals.
    Mr. N Rao, 35 years
    experience, owner of the shop.
    - Perishable items and expired
    goods: individually checks each
    item for its date, orders what is
    required.
    - Complains 30-40% less profit since
    malls have come up.
    - Departmental store rent is more.
    - Customers as old as 25 years,
    tends to new customers first and
    then to older ones.
    - Does not use calculator or
    computer- “mind should be
    working”.
    - Uses landline phone, has a phone
    book.
    - Knows the price of every item.
    - Pays TAX- VAT every 3 months.
    - Max profit at evening time and
    festivals
    Mr, Hirachand Hiralal, a cloth
    shop owner, no profit; hence
    started a Kirana store/ dept store.
    - Computer is helpful, knows only to
    operate on bills.
    - Stocks only the amount that is
    required.
    - Customer prefer malls during
    festival.
    - Margin decreased by 4-5% since
    hypermart and supermarts.
    - Labour problems.
    - Accounts totalling - everyday 10
    mins.
    - Uses barcode scanner - Rs.30,000/-
    - Operating time- 9am- 11pm.
    - Max profit: during festivals.
    Interviews and contextual enquiries
    total- 7 shopkeepers and a customer

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  6. Shopkeeper 4 Customer
    Mr. D. Subramanium, owner,
    family business.
    - Established shop, therefore not
    much difference due to malls.
    - Monthly 2 or 3 times checks for
    expiry.
    - Stock ordered according to what is
    required.
    - Manually writes chits and puts in
    packets.
    - Is aware of almost all items.
    - Festivals most profitable time of the
    year.
    - Worked as sales assistant, therefore
    knows about TAX.
    - For bulk amount gives pakka bill.
    - Cross check calculation with mind..
    - Max profit during festivals.
    - Operating hours - 9.30 am-2pm
    and 5.30 pm- 9.30 pm.
    - Customer relation is important.
    - Satisfaction, understanding is
    important.
    - Suggestions from shopkeeper about
    quality and price.
    - Trust, whatever one gets is good
    interms of quality.
    - Easy exchange is available.
    - Everything available at one place.
    - Bill payment on monthly basis,
    flexibility available.
    Interviews and contextual enquiries
    total- 7 shopkeepers and a customer

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  7. Task Analysis
    Repeatitive Task Critical Task Task with Focus
    Environmental Effects Task Dependencies Restriction in task
    performance
    - Takes orders.
    - Give and calculate bills..
    - Customer management.
    - Leaves desk for searching
    for products.
    - Receives supplies
    - Checks for expiry dates.
    - Switches task from weighing
    to packing.
    - Suggests good quality and price
    to the customer.
    - Keeps a track of margin and
    discounts.
    - Keeps track of finishing items
    and orders supplies.
    - Manually checks for expiry
    dates.
    - First customer first serve.
    - Calculation of bills.
    - Placing order for supplies
    according to requirement.
    - TAX payment: monthly,
    quaterly, what kind of tax to be
    paid.
    - When to opt for business
    diversion.
    - Returing expired iems to the
    company.
    - More goods supplied during
    festivals.
    - Fried items destroyed during
    summers therefore orders less.
    - Efficient service to the customers
    during festivals.
    - Shop helpers.
    - Bill books.
    - Shop area to accomodate all the
    supplies.
    - Calculators and computers if
    used.
    - Sock registers maintained.
    - Emergence of hypermarts,
    supermarts and malls.
    - Follow up on things not under
    their control.
    - Labour problems, availability of
    helpers.

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  8. Task Flow- for a regular customer
    A regular customer brings along a
    list, handsover or dictate the list of
    items.
    Hands over the bag and
    might ask for home delivery
    Shopkeeper checks for listed items;
    they are in stock or not.
    Cross checks while totalling and
    putting in bag.
    Generates a pakka bill because. of bulk
    items, the calculation done with calculator
    or mentally.
    Looks up for address and send
    for delivery or handover the
    filled bag.

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  9. Task Flow- for a new customer
    Mostly wants only few stuff
    while passing by.
    Is not sure about the quality and
    service offered, asks for suggestions
    and prices.
    Expects a fast and efficient
    service.
    If number of items are
    many, shopkeeper notes
    down in a list.
    Ensures quality, brings 2-3 products of different
    brands or price. Tries to build a good customer
    relationship.
    Generates a pakka bill if more items else
    gives kachcha bill.

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  10. Observations and Take-aways
    Products ordered according to what is
    required, if more and expired is returned
    back to the company.
    A lot of time consumed in task switching in
    calculating the appropriate quantity of
    grain.
    Most of the shopkeepers had sufficient
    knowledge about TAX.
    Verbally cross checks each item during
    home delivery and during arrival of new
    supplies.
    Resistant to technology, for calculations use
    calculators or perform mentally.
    Research Findings
    Manages 5 to 6 customers at a time mostly
    on first come first serve basis. Make the cus-
    tomer wait incase of unavailable product.
    Customer management
    Resistant to Technology
    Verbal Communication
    Task Switching
    Knowledge about TAX
    Ordering for supplies
    Visual Mapping of items in racks (get to
    know which item is finishing)
    No accounting done for small bill amounts
    and products.
    The free items are kept along with its prod-
    uct.
    Freebies Accounting
    Visual Mapping
    TAX
    VAT

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  11. Pain Points
    - During new supplies,
    manual checking of
    supplies is done and the
    new supplies are entered
    in stock register
    .
    - While checking for expiry
    dates, manual checking
    is done and updated in
    stock register.
    Manual Checking
    - Incase some product has
    finished or not available,
    shopkeeper is unaware and
    this results in inefficiency
    in serving customers.
    .
    - Incase the product is a
    grain, a lot of task
    switching happens while
    weighing the product.
    Customer Service
    - Pakka bill provided only
    for items totalling to more
    than Rs. 100/-
    - For items lesser than 100/-
    no accounting done.
    No Accounting for small
    items or lesser priced items

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  12. Design Directions
    Task Switching Knowledge about
    TAX
    Manual checking of
    products for expiry and
    during supplies
    No Accounting for
    small price

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  13. Non-intrusive
    Reduce task switching A device without hassle
    Technical Capabilties An automated system
    A non intrusive design, which can
    blend with the surroundings, a
    robust, easy to use
    interface.
    Technical capabilities,
    technology adaptability,
    least learning curve.
    A device to reduce task
    switching.
    Design Considerations
    A device without hassle,
    small in size and catering
    to needs.
    An automated system for
    computation, data entry and a re-
    minder.

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  14. Shopkeeper Customer
    Conceptual Model - Usecases
    As a customer:
    - I would like an efficient service where my
    time is not wasted.
    - I would want the product to be available at
    the store.
    - I would not like an damaged product or worse
    expired product.
    - If a product is damaged, I would like to return
    the product.
    - I would like to be informed which are the new
    products in the market.
    - I would like a suggestion as to which brand
    is better or trustable.
    As a owner of the shop:
    - I would like to note the amount of sales done
    during the day.
    - What are the items which are about to
    expire so that I can order more.
    - How can I serve my customers better.
    - I would like to keep record of the products for
    which I do not generate bills.
    - How can I improve customer relationship.
    - I would like to know how many products of
    a particular brand did I sell today.

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  15. Conceptual Model - Feature Set
    Table top device
    Not intrusive in the
    environment
    Informs about expiry dates
    of items
    Informs about finishing items
    Act as a stock register
    Gives a printed output
    Gives information about popular
    brands and top selling brands
    Helps in cross checking of goods
    Keeps a count for small things sold
    Data collecting/storing
    device
    Automated
    device

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  16. Conceptual Model - Feature Set
    Hand held device
    Reduce task switching
    time
    Will not intrude the
    ecosystem of the store
    Informs about finishing items
    Cost effective
    Gives on the spot readings
    Better customer service
    Gives accurate results
    Utility device
    Digital
    volumetric
    measures

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  17. Conceptual Model - Device Components
    Automated device
    Receiver Device
    Transmitter Device
    - Display- touch and type
    - LED feedback for received input
    - Physical buttons
    - Print output
    - Charging- battery usage
    power plug
    - PC slot
    - Memory slot
    - Capture information using sensors
    - Notify parent device
    - Search for patterns
    Digital Volumetric Measures
    - Power button
    - LED display
    - Charging- battery operated

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  18. Initial concepts and technology
    Concept 1- Sensors placed at the shelves
    - Sensors could be stuck on the racks to record and receive data
    - Technology used- RFID tags to record the items sold.
    - The transmitting device i.e RFID tags sends information accross to the receiver device.
    Sensor
    LED
    Transmits
    info to receiver
    device
    Receiver Device
    Sensor which detects RFID tags
    and sends them to receiver device
    LED
    Sensor
    (A Shelf at a store)

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  19. Initial concepts and technology
    Concept 2- Placing sensors at the bag or as clip-ons
    - The sensor should be able to detect the products in the bag
    - Technology used- RFID tags to record the items sold.
    - The transmitting device i.e RFID tags sends information accross to the receiver device.
    Transmits info to
    receiver device
    Receiver Device
    Sensor which detects RFID tags
    and sends them to receiver device
    Sensor

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  20. Final concept and technology
    Using audio input to feed the data in receiver device
    - The audio receiver should be able to record the items spoken into it.
    - Technology used- Unidirectional Microphone, bluetooth and thermal printer.
    - Working Principle of a digital weigh scale for Digital volumetric measures.
    Unidirectional Microphone
    - The directionality or polar pattern of a microphone describes how its
    sensitivity varies with the angle of incidence of the sound. It is determined
    by the mechanical design of the microphone.
    - Cardioid: A microphone with a cardioid pattern. This directional pattern is
    the ideal choice when the interfering noise source lies behind the micro .
    phone. The cardioid pattern provides the best suppression of unwanted noise
    coming from behind
    Digital Weigh Scale
    - the scale employs an analog-to-digital converter that translates the
    continuous readout data from the scale into discrete digital information.
    - the load cell senses the weight and sends the signal to the indicator.
    - Basically all weigh scales consist of-
    a structure
    one or more load cells
    signal conditioner
    -5dB
    -10dB
    -15dB
    -20dB
    -25dB
    270° 90°
    180°

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  21. Information Architecture
    Home
    New Receipt
    Status
    Date
    and
    Time
    Battery
    and
    Power
    Bluetooth
    Physical Buttons
    Menu Context
    specific
    button
    Barcode Scanner
    Sound
    feedback
    Microphone
    Visual
    feedback
    Green
    when
    receiving
    Red
    when not
    receiving
    Enter
    item
    Enter
    Qtn.
    Total
    amount
    Delete
    item
    button
    Add
    new
    button
    discount
    button
    Total
    cost
    Text
    input
    Barcode
    scanner
    Enter
    name
    Quantity Price Enter
    name
    Quantity
    Price
    Audio
    input
    Text
    input
    Barcode
    scanner
    Microphone Microphone
    Green
    when
    receiving
    Red
    when not
    receiving
    Speaks
    into
    product
    Speaks
    into
    quantity
    Auto
    suggests
    products
    Enter into
    name
    category
    Auto
    suggests
    products
    Gives an
    audio
    feedback
    Customer
    information
    Update & add
    new supplies
    Recently
    added items
    Settings Organizer
    Category Brand Units Expiry
    Date
    Quantity Price
    per unit
    Context
    specific
    button
    loose packed

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  22. A Sales Tracking Device for Kirana Shopkeepers
    A smart digital device to aid the Kirana Shopekeepers in sales tracking and
    caluclations using Audio Input.
    abacus

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  23. Product Form Exploration

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  24. Product Form Exploration

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  25. Product Form Exploration

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  26. Final Product Form
    9 inches
    5 inches
    1.5 inches
    2.5 inches
    Print Output
    Display Screen
    Microphone
    LED Feedback
    Keypad
    On/Off Controls for microphone

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  27. Wireframes
    Home Screen
    Print Output
    5 in
    9 in
    07-10-2013 12:11pm
    NAME QTN. AMOUNT
    Delete Add New Discount Total:
    Microphone and LED Feedback
    1 2 3 4 5 6 7 8 9 0
    Q W E R T Y U I O P
    A S D F G H J K L
    Z X C V B N M
    Caps Sym * / + - . ,
    X
    Receipt No.-
    About the Device-
    - The device is a table top device with
    dimensions 9x5x2.5 inches.
    - Its a touch and type interface with
    context specific buttons.
    - Since the operator will be either
    standing or sitting, viewing angle is
    important.
    - The standard font size is 18 pt for
    body text for comfortable visibility
    and legibility.
    - The device is both power and battery
    operated, bluetooth enabled.

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  28. Wireframes
    With Audio Input With Text Input
    07-10-2013 12:11pm
    NAME QTN. AMOUNT
    Delete Add New Discount Total: 215.50
    Parachut Advansed Hot oil
    (deep Conditioning)
    90 ml 45.00
    67.50
    Sona Masoori rice 0.5 Kg
    Complan for Growth
    (Chocolate Flavour)
    200 g 103.00
    Microphone and LED Feedback
    1 2 3 4 5 6 7 8 9 0
    Q W E R T Y U I O P
    A S D F G H J K L
    Z X C V B N M
    Caps Sym * / + - . ,
    X
    Receipt No.- 1556
    Pa
    07-10-2013 12:11pm
    NAME QTN. AMOUNT
    Delete Add New Discount Total:
    Pantene Pro V shampoo
    Dry hair 90ml
    Pantene Pro V shampoo
    Anti Dandruff 90ml
    Parachute Oil Deep
    condition 90ml
    Pa
    1 2 3 4 5 6 7 8 9 0
    Q W E R T Y U I O P
    A S D F G H J K L
    Z X C V B N M
    Caps Sym * / + - . ,
    X
    Microphone and LED Feedback
    Receipt No.- 1556

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  29. Wireframes
    With Audio Input Context Specific Button
    Microphone and LED Feedback
    07-10-2013 12:11pm
    NAME QTN. AMOUNT
    Delete Add New Discount Total:
    Sona Masoori rice
    Parachut Advansed Hot oil (deep
    Conditioning)
    0.5 g
    mg
    kg
    ml
    l
    90 ml 45.00
    67.50
    112.50
    1 2 3 4 5 6 7 8 9 0
    Q W E R T Y U I O P
    A S D F G H J K L
    Z X C V B N M
    Caps Sym * / + - . ,
    X
    Microphone and LED Feedback
    07-10-2013 12:11pm
    NAME QTN. AMOUNT
    Delete Add New Discount Total: 215.50
    Parachut Advansed Hot oil
    (deep
    Conditioning)
    90 45.00
    67.50
    Sona Masoori rice 0.5
    Complan for Growth
    (Chocolate Flavour)
    200 103.0
    ml
    Kg
    g
    1 2 3 4 5 6 7 8 9 0
    Q W E R T Y U I O P
    A S D F G H J K L
    Z X C V B N M
    Caps Sym * / + - . ,
    X
    PRINT SAVE NEW RECEIPT
    Bill Amount- 215.50
    Receipt No.- 1556

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  30. Wireframes
    Settings Page Settings Page
    07-10-2013 12:11pm
    Customer
    credit
    Settings
    Recently Added
    Items
    New Supplies
    1 2 3 4 5 6 7 8 9 0
    Q W E R T Y U I O P
    A S D F G H J K L
    Z X C V B N M
    Caps Sym * / + - . ,
    X
    07-10-2013 12:11pm
    Customer
    credit
    Settings
    Recently Added
    Items
    1 2 3 4 5 6 7 8 9 0
    Q W E R T Y U I O P
    A S D F G H J K L
    Z X C V B N M
    Caps Sym * / + - . ,
    X
    New Supplies
    Microphone and LED Feedback Microphone and LED Feedback

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  31. Wireframes
    New Supplies Page
    Print Output
    07-10-2013 12:11pm
    Microphone and LED Feedback
    1 2 3 4 5 6 7 8 9 0
    Q W E R T Y U I O P
    A S D F G H J K L
    Z X C V B N M
    Caps Sym * / + - . ,
    X
    Class Product Name Brand Name
    Category Units Quantity Price(in units)

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  32. 07-10-2013 12:11pm
    NAME QTN. AMOUNT
    Delete Add New Discount Total:
    Microphone and LED Feedback
    1 2 3 4 5 6 7 8 9 0
    Q
    W
    E
    R
    T Y
    U
    I
    O P
    A
    S
    D F G H J
    K L
    Z
    X
    C
    V
    B
    N
    M
    Caps Sym * / + - . ,
    X
    Receipt N0. -
    Visual Design
    Home Screen Style Guide
    Colour Palette
    Font Size:
    A-20 pt
    A - 18 pt
    A - 16 pt
    Font : Open Sans

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  33. Final Product Print Output
    Display
    Barcode Scanner
    A digital device to enter the items
    sold and keep a record of total
    items present currently in the shop
    and which are the ones
    about to expire.
    The Input is received using
    audio sensing with the
    help of a unidirectional
    microphone.
    A divice similar in size
    to a landline telephone
    empowered with a barcode
    scanner
    and a print output.

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  34. View Slide

  35. View Slide

  36. Digital Volumetric Measure
    A digital volumetric measure which
    displays the weight digitally,
    working on the principle of digital
    weighing machine for saving the
    task switching time and improving
    efficiency in customer service.

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  37. View Slide

  38. View Slide

  39. Future Possibilities
    - Connecting the device to weighing balance within the store
    and entering the data automatically.
    - Syncing the device with suppliers’ digital device and updating
    the database.
    - An RFID enabled store, where the customers need not stand in
    queue at all and billing is done automatically.
    - The current device is aimed at aiding shopekeepers with
    billing, accounts and expiry with least learning curve and
    minimum intrusion.

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  40. Thankyou.

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