Senior Design Group #5 (Summer 2012)
Members:
Kyle D‘Arcangelis
John Edison
Heston Posner
Jimmy Wong
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Home Automation System
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Wireless Communication between
Subsystems
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Android-based Application Control
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Lighting, HVAC, Television
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Reduce energy consumption
Reduce cost
Compact
Reliable
Easy to use
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TI MSP430G2553 Value Line MCU
TI CC1100 RF Transceiver
TI LM3S8962 ARM Cortex-M3 MCU
3.3V for all digital logic circuitry
925 MHz wireless communication for up to
100m
2 layer printed circuit boards
Model
Memory
Language
Experience
Price
MSP 430G2553
16 kB Flash
C
Yes
$1.00
ATmega 328p-pu
32 kB Flash
C++
No
$2.50
ATMEL ATmega 328P-PU
MSP430G2553
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Compatibility
Low Cost
Low Energy Comsumption
Dual Inline Packaging (DIP)
PWM pins for IR Remote
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Android OS 2.2 SDK
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Touch Interface
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Google App Engine 1.6.3 SDK
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High replication data storage
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MSP430G2553 Microcontroller
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TI CC1100 RF Module
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Lutron Maestro Duo MAW-600H Light
Dimmer
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MSP430G2553 Microcontroller
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TI CC1100 RF Module
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LED Indicators
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Infrared Remote Control Transmitter
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Receives commands from the Stellaris base
station
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Tasks
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o
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Power on/off
Channel up/down
Volume up/down
Channel Number Selection
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TI MSP430G2553
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TI CC1100 RF Module
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IR LED
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TI MSP430G2553 Value Line MCU
TI CC1100 RF Transceiver
TI LM3S8962 ARM Cortex-M3 MCU
RJ45- Ethernet
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Lightweight IP
• Internet protocol implementation on the
Stellaris
Sample API Format
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Dynamic DNS
Booster Stack Lite
• Stellaris and MSP430 wireless protocol
Google App Engine
Traditional Server
Non-relational database
structure
Relational database structure
Inherently a distributed
architecture (Data replication
is automatically handled)
Must manually configure a
distributed architecture
No join operations are
available
Join operations are available
Automatically creates a full
application environment
Must be hosted on a server for
remote access
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No need for relationships between tables
No join operations will be needed for the
queries of our application
Simplicity of uploading new versions of the
server application via an Eclipse plugin
Central administrator console
10 server applications allowed for a single
Google account (Allows for plenty of
testing)
Enough resources to allow for a fully
operational application
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Utilizes the
"simple_list_item1" menu
layout
When a menu item is
selected, the corresponding
class, containing the .xml
layout load and the
functionalities, will run
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Allows the user to view
the current provider and
enter in a new provider
Current provider textview
displays the company name
and the residential rates
To enter in a new provider,
the user would have to enter
the name and the rates
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Input wattages for specific
devices controlled by a
particular subsystem
Android Spinner objects
will be used to select
between different fixtures
(For Dimmer and HVAC)
Textfields used for wattage
input
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Textview used to display
the wattages of the
selected fixture
Spinners will be used to
select a specific fixture
It will always display the
TV wattage (Due to only
1 television set will be
controlled)
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Allows the user to calculate
the monetary cost of
the electricity usage
according to a specific date
or month
Utilizes a DatePicker
object to choose thedate
Utilizes a Spinner object to
choose the month
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Tabular interface for each subsystem
Status page and voice recognition
reference page available through the
option button
Each tab remains its integrity until the user
exits the control interface
Each tab contains a voice recognition
activation button
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Allows the user to control
the brightness level of
lighting fixtures
Checkboxes are used to
select lighting fixtures
SeekBar object used to
choose the brightness level
Button used to set light level
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Allows the user to control
the different functions of
the HVAC subsystem
Fan has the following
options: ON and AUTO
System has the following
options: COOLING,
HEATING, OFF
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Allows the user to
utilize typical universal
remote control functions.
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SpeechRecognizer
• Class that converts speech to text
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RESULTS_RECOGNITION
• Array of possible candidate sentences
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CONFIDENCE_SCORES
• Weighted value from -1 to 1 rating the accuracy
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Bag of words
• “Dim the kitchen lights to fifty percent”
• ‘lights’ + ‘fifty’ + ‘kitchen’ + ‘percent’
MSP430 Launchpad
CC110L BoosterPack
EKS-LM3S8962
PCB
Google App Engine
Android
Lutron Dimmer
IR Remote Parts
x2
x1
x1
x2
$4.30
$19.00
Sampled
$50.00
$0.00
Already Owned
$25.00
x2
$5.00
x1
------------------- --------------- ------------Current Total:
$27.60
Target Budget:
$350.00
Questions / Comments?