BeHāv
Student Behavior Feedback System
Overview
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Team
What is BeHav
In Action
Features
Design
Risks
Time-Line
Team Members
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Matthew Fargano
Joshua Fedders
Terrell Jones
Nicholas Miller
Mohamed Siddig
Joseph Esler*
*Software Systems Development Member
What is BeHav?
• A Wireless System for Modifying Learning
Disabled Students Behavior
• A System for Tracking the Progress of
Learning Disabled Students
In Action
Score
53
52
Time
Features
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Wireless
Small Size
Long Battery Life
Easy to Use Interface
System diagram
Teacher
Keyfob
transmitter
Main Hub
Portable
Reciever
(Buzzer)
USB/Serial
PC/Laptop
Student
Psychologist
Analysis
Key Fob
Buttons
MSP430
Transmitter
Buzzer
Main Hub
Receiver
Bus
Key
Fob
LCD
Display
LED
Buzzer
Time
Stamp
Microcontroller
128B Ram
1 KB Flash
H
U
B
Main HUB
Buzzers
Data
Serial/USB
PC/Laptop
Microcontroller
Texas Instruments MSP430F2013
Primary Functions:
• Process user input
• User feedback
• Data Storage
Features
• 2kB Flash, 128B RAM
• 16MHz clock speed
• Low power
• 0.1-µA RAM retention
• 0.8-µA real-time clock mode
• 250-µA/MIPS active
RF Link
• uMiRF Transceiver
• 2.4 GHz
• Built in ceramic
antenna
• Small size
Projected Costs
MSP4302013
$4.00
uMiRF 2.4GHz
$26.00
7 segment LCD
$15.00
PCB
$50.00
Batteries
$10.00
Total
$105.00
Risks and Contingency Plan
Risks:
• Power Consumption
• Data Loss
• RF Interference
• Data Collision
Contingencies:
• Remove Hub
• Limit project scope
• Serial in place of USB
Division of Labor
Team Members
Responsibility
Nicholas
Joseph
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Software Implementation
Joshua
Matthew
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Chip Programming
Terrell
Nicholas
Mohamed
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PCB Layout
Matthew
Joshua
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UART Interfacing
Mohamed
Terrell
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LCD Interfacing
Schedule
Schedule
Timeframe
Desired Deliverables
CDR
1.
Initial Board Layout Rev 1
Milestone 1
1.
2.
Board Layout Rev 2
Working Prototype of BeHav 1
Milestone 2
1.
2.
Software Analysis
LCD Interface
Expo
1.
Complete BeHav Interface