DTech Reminder System

1
D-Tech Reminder System

• Presented by
• goldFish Technologies

2
Outline

• Introduction
• System
• Target Market
• Budget and Timeline
• Team Dynamics
• Additional Features
• Future Prospects
• What We Learned
• Conclusion and Questions

3
Introduction

• goldFish Technologies
• Why goldFish?
• Known to be forgetful
• Our Goal
• Aid those who are forgetful
• Improve day to day organization

4
Our Motivation

• Forgetfulness is a common trait
• Inconvenience and frustration
• Wastes time
• Current Solutions
• PDAs, Post-its, Applications
• Require user to input AND check
• Effective Reminders
• Message Signal

5
Our Solution D-Tech

• Integrates Current Functionality
• Calendar
• To-do List
• Item Detection
• Tagging and scanning items
• Smart comparison
• Automatic Reminding
• No manual checking
• Voice reminders

6
System Overview

• User
• Enters data
• Tags item
• System
• Detects User
• Scans user
• Compares
• Signals
• Displays

7
Central Unit Database

• What is it?
• Dynamic data storage
• Back-up files for users
• Link-list structure
• Purpose
• Stores data during runtime
• Allow quick data retrieval

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Central Unit Database

• Software Programming
• Embedded MFC
• Embedded Visual C
• Windows CE Platform
• Data Synchronization
• Reading data from the online server
• Writing to back-up files

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Central Unit GUI

• Graphical User Interface
• Allows user interaction
• Simple and intuitive to use
• Tasks and Items Interaction
• View
• Add
• Edit
• Delete

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Central Unit GUI

• Other Functionality
• Allows adding of new users
• Audio feedback (voice alerts)
• Displays item images
• Time/date setting
• Additional Added Features
• Messaging feature
• Live weather updates

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Central Unit Physical System

• Embedded PC
• ARMV4I Processor
• MC9328 DragonBall Development Board
• Windows CE 4.2 OS
• Connection
• Wireless internet connection
• Physical Features
• Touch screen LCD
• Added sound system
• Custom enclosure

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D-Tech Unit

• Purpose
• Activate scanning unit only if there is a user
• Features
• Motion detection range 6m
• Components
• Passive Infrared Motion Sensor (PIR)

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Scan Unit

• Components
• TRF7960 Evaluation Board from Texas Instruments
• UART to USB convertor
• RFID Reader
• Identifies user
• Send detected SmartTag IDs to Central Unit
• Capabilities
• Built-in antenna range 10cm
• Detect up to 16 unique tags simultaneously

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D-Tech and Scan Unit

• Physical Feature
• Custom enclosure
• LED light to signal activation

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The Wire

• Temporary Work Around
• Complete transparent data connection
• Reason
• No USB host capability on embedded PC
• Convertor chips are expensive

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Anywhere Access Form

• Web Application
• Online server
• Survey, questionnaire
• Purpose
• Alternative method of adding tasks and items
• Easily accessible

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Anywhere Access Form

• Functionality
• Add tasks and items for any user
• Send messages
• Takes instant photos for items
• Security Features
• Requires user login
• File read / write protection

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Anywhere Access Form

• Web Scripting Languages
• PHP data storage to text files
• HTML form layout design
• JavaScript calendar
• Flash webcam
• Application
• Used anywhere
• Used by anyone

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Additional Features

• Weather Forecast
• Accurately report current weather conditions
• Linked to Yahoo weather forecast
• Message Feature
• Leave personal messages
• Added from Central Unit or internet

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Target Market

• Busy Households
• Children
• Appointments
• Activities
• Senior Care
• Medication reminders
• Distant family
• Forgetful people
• Almost anyone (including ourselves!)

21
Prototype Budget

• Funding
• ESSEF 740
• Remainder covered by team

22
Timeline
23
Team Sharika Salim

• Known as The Whip Holder
• Team lead, organizes tasks
• Administrative Role
• Code repository
• Delegate meetings
• Software
• Database development file management
• GUI functionality
• Testing and debugging

24
Team Jeremy So

• Known as Resource Allocator
• Funding and purchasing parts
• Administrative Role
• Finance / Budget
• Fabrication
• Enclosure design
• Software
• Database design and development

25
Team Sami Nguyen

• Known as MOM
• Takes care of everyone
• Administrative Role
• Documentation management
• Software
• Web application developer
• Quality assurance
• GUI layout

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Team Owen Lin

• Known as The Sleep Coder
• Solves issues while sleeping
• Hardware
• Motion sensor circuitry
• Hardware communication
• Software
• GUI functionality
• Integration and Go-to guy
• Platform Development

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Team Chris Yao

• Known as The Hibernator
• Driven by food, needs sleep
• Hardware
• RFID communication
• The Wire
• Software
• White hacker
• General programming

28
Team Dynamics

• Sunny Room Our Fishbowl
• Worked well as a team
• No internal conflicts
• Well defined roles and tasks
• Half the team is motivated by food!
• One member runs on coffee

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Future Prospects

• High expandability
• More GUI features
• More web functionality
• Open source applications
• Improved Microcontroller
• Processor speed
• Larger LCD
• Improved Scanning Range
• External antenna

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What We Learned

• MFC, VC, Visual Studio
• Custom platform development
• Windows CE 4.2
• Web Scripting
• PHP, JavaScript, Server Security
• Communication Drivers
• Serial, USB
• RFID Technology
• Goldfish have good memory

31
Acknowledgements

• Instructors
• Patrick Leung, Steve Whitmore
• TAs
• Jason Lee, Jamie Westell
• Support
• Lakshman (Lucky) One
• Ash Parameswaran
• Fred Heep
• Texas Instruments
• John Wu (Arrow Electronics)
• SonoSense
• Sanaz Jahanbakhs, Johnny Pak, Kenneth Wong

32
Questions
33
Product Information

• Utilize RFID reader and tag technology
• Integrated with (insert board name) and connected
  to the internet
• Supported by software programmed in Embedded VC
• Can identify and store up to 16 unique tags
• Remind users of forgotten items and daily tasks
• Users identified by unique key tags
• Detection distance 10 cm

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Technical Details Central Unit

• Motorola MC9328 DragonBall MX1 MCU
• Processor ARMv4I
• Windows CE operating system
• Supports sound, graphics, internet (Ethernet)
• Central unit for information processing and
  database management
• Acts as USB slave
• Linksys WET54G Wireless Ethernet Bridge
• Wireless internet to Ethernet connection

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Technical Details - RFID

• TRF7960 evaluation board from Texas Instruments
• Compatible with multiple ISO
• ISO 15963, high frequency identification
• Built-in antenna
• Capable of identifying up to 16 unique tags
• Reading range 10 cm
• Port available for external antenna

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Technical Details - Software

• GUI developed in Embedded Visual C
• Get update from internet
• Linked with RFID reader to scan tags
• Self-managed database
• Access from anywhere
• Compatible with Windows CE 4.0