BeHāvStudent Behavior Feedback System

Overview• Team• What is BeHav• In Action• Features• Design• Risks• Time-Line

Team Members• 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

53

TimeS

core

52

Features

• Wireless• Small Size• Long Battery Life• Easy to Use Interface

System diagramTeacher

Keyfob transmitter

Main Hub

Portable Reciever (Buzzer)

Student

PC/Laptop

AnalysisPsychologist

USB/Serial

Key Fob

Buttons

MSP430

Transmitter

Buzzer Main Hub

KeyFob

HUB

LCDDisplay

Buzzer

Microcontroller

LED

Time Stamp

Bus

1 KB Flash128B Ram

Receiver

Main HUB

Buzzers

Data

Serial/USB

PC/Laptop

MicrocontrollerTexas 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 PlanRisks:• Power Consumption• Data Loss• RF Interference• Data Collision

Contingencies:• Remove Hub• Limit project scope• Serial in place of USB

Team Members ResponsibilityNicholas

Joseph

• Software Implementation

Joshua

Matthew

• Chip Programming

Terrell

Nicholas

Mohamed

• PCB Layout

Matthew

Joshua

• UART Interfacing

Mohamed

Terrell

• LCD Interfacing

Division of Labor

Schedule

Schedule

Timeframe Desired Deliverables

CDR 1. Initial Board Layout Rev 1

Milestone 1 1. Board Layout Rev 2

2. Working Prototype of BeHav 1

Milestone 2 1. Software Analysis

2. LCD Interface

Expo 1. Complete BeHav Interface