ECE 477 Senior Design ECE 477 Senior Design Group 5 Group 5 Fall 2005 Fall 2005

Paste a photo of team members with completed project here..

OutlineOutline

• Project overviewProject overview

• ECE 270 knowledge used ECE 270 knowledge used

• Project demoProject demo

Project OverviewProject Overview

Intelligent Mailbox System (IMS)Intelligent Mailbox System (IMS)• Fingerprint identification security systemFingerprint identification security system• New mail/package notification through e-mailNew mail/package notification through e-mail• Embedded web server to host account Embedded web server to host account

management interface for the mailbox management interface for the mailbox systemsystem

• Targeted towards university dormitories and Targeted towards university dormitories and P.O. BoxesP.O. Boxes

Project OverviewProject Overview

Project OverviewProject Overview

ECE 270 Knowledge UsedECE 270 Knowledge Used

• State Machine Design (Moore Machine)State Machine Design (Moore Machine)• Driving LEDs (Sinking current)Driving LEDs (Sinking current)• Use of switch debouncing circuitUse of switch debouncing circuit• Decoupling capacitors (between Vcc and GND) must

be used to supply extra current during transitions to CMOS ICs

• How to read electrical characteristics in datasheetsHow to read electrical characteristics in datasheets• Tie unused inputs to a known stateTie unused inputs to a known state• Electrostatic DischargeElectrostatic Discharge• Pull-up resistorPull-up resistor• Bus fightingBus fighting

Project DemoProject Demo

1.1. Ability to detect presence of mail in box Ability to detect presence of mail in box using optical sensorsusing optical sensors

2.2. Ability to securely lock and unlock mailbox Ability to securely lock and unlock mailbox using solenoidusing solenoid

3.3. Ability to send e-mail notification of Ability to send e-mail notification of changes in mailbox statuschanges in mailbox status

4.4. Ability to sense door opened/closed status Ability to sense door opened/closed status using phototransistor sensorusing phototransistor sensor

5.5. Ability to configure mailbox system Ability to configure mailbox system remotely via an embedded web serverremotely via an embedded web server

Demo Video

Questions / DiscussionQuestions / Discussion