Fall 2002

1

CS-EE 480

University of Portland School of Engineering

[Name} [file]

Project Bobolink

CMOS Authorized Entry SystemChristina Schulz

Krissy Smith

Morgan Hurliman

Nazia Akil

Fall 2002

[Name} [file] 2University of Portland School of Engineering

CS-EE 480

Overview

• Refresher

• Accomplishments

• Plans

• Issues

• Conclusion

Fall 2002

[Name} [file] 3University of Portland School of Engineering

CS-EE 480

Refresher

• CMOS Authorized Entry System

• Rev 1.0 B2Logic Completed

• Rev 1.0 Project Plan Completed

Fall 2002

[Name} [file] 4University of Portland School of Engineering

CS-EE 480

Accomplishments

• Rev 0.9 .tpr file

• IR Emitter/Sensor Calibration

• Amplifying Circuit Design

• Change Control Item

• Radio Shack Shopping Spree

Fall 2002

[Name} [file] 5University of Portland School of Engineering

CS-EE 480

Accomplishments cont’d

• Rev 0.9 .tpr File– Last time - B2Logic Design completed– First draft of .tpr file created– Primary check of .tpr file – NO ERRORS!

Fall 2002

[Name} [file] 6University of Portland School of Engineering

CS-EE 480

Accomplishments cont’d

• IR Emitter/Sensor Calibration– Lab work -- Trial by Fire– Advisor meeting– CMOS technology - VIL & VIH– Back to the lab– VIL (black) ~.1V & VIH (white) ~4V

Fall 2002

[Name} [file] 7University of Portland School of Engineering

CS-EE 480

Accomplishments cont’d

• Amplifying Circuit Design– Electric Strike– Test for Vmin & Imin > 2.5V & 0.7A,

respectively– Unity Gain Buffer Circuit– Circuit Configuration Confirmed!

Fall 2002

[Name} [file] 8University of Portland School of Engineering

CS-EE 480

Accomplishments cont’d

• Change Control Item– Dropped Backup Battery– Not Mass Producing the Project– Same Function– Change Control Board = APPROVED!

Fall 2002

[Name} [file] 9University of Portland School of Engineering

CS-EE 480

Accomplishments cont’dLine Item Quantity Description Unit Cost Cost

1 20 *IR emitter/sensor 1.57 $31.322 9 *741 Op Amp 0.89 $8.013 50 Resistor 0.02 $1.004 10 ID Card 0.50 $5.005 5 *LED 2.19 $10.956 8 *Pushbutton Switch 1.99 $15.927 1 *SPST Switch 2.99 $2.998 1 *SPDT Switch 2.49 $2.499 1 *Electric Strike 24.95 $24.95

10 1 Door & Frame 25.00 $25.0011 1 Cable 6.00 $6.0012 2 *Schmitt Trigger 0.47 $0.9413 1 *NPN Power Transistor 1.29 $1.2914 1 *PNP Power Transistor 1.49 $1.4915 1 *Silicon Grease 1.99 $1.9916 2 *Heat Sink 1.59 $3.1817 30 Integrated Circuits (macro-model) 0.50 $15.00

18 2 Bread Board 5.00 $10.0019 4 Wire-Wrap Wire (spools) 3.00 $12.0020 20 Wire-Wrap Socket 1.00 $20.0021 1 *Heat Sink Screws 1.69 $1.6922 8 Capacitors 0.50 $4.0023 2 Case 5.00 $10.00

24 1 MOSIS Chip Fabrication 1200.00 $1,200.00

Total $215.21* These items have already been purchased.

• Radio Shack Shopping Spree

Fall 2002

[Name} [file] 10University of Portland School of Engineering

CS-EE 480

Accomplishments cont’d

Number

Description Original

Date

Previous

Date

Present

Date1 Product Pre-Approval 09/5/02 09/5/02 09/11/02

2 Functional Spec Approval (Product Approval)

09/19/02 09/19/02 10/4/02

3 Project Plan Approval 10/25/02 10/25/02 10/25/02

4 Approval of B2Logic Design 10/25/02 10/25/02 10/30/02

5 Calibration of IR Device 11/08/02 11/08/02 11/18/02

6 .tpr File Approval and Send Out 11/27/02 11/27/02 11/27/02

7 Parts Ordered 12/2/02 12/2/02 12/2/02

8 Design Release 12/06/02 12/06/02 12/06/02

9 Chip Received From MOSIS 03/28/03 03/28/03 03/28/03

10 TOP’s Approval 02/14/03 02/14/03 02/14/03

11 Prototype Release 04/04/03 04/04/03 04/04/03

12 Founder’s Day Presentation 04/08/03 04/08/03 04/08/03

13 Final Report 04/25/03 04/25/03 04/25/03

• Milestones

Fall 2002

[Name} [file] 11University of Portland School of Engineering

CS-EE 480

Plans

• Secondary Check of .tpr File > Rev 1.0

• Push-button Debouncing

• Integrating Components

• Design Release

Fall 2002

[Name} [file] 12University of Portland School of Engineering

CS-EE 480

Issues/Concerns

• Checklist/Design Release -- What is expected?

Fall 2002

[Name} [file] 13University of Portland School of Engineering

CS-EE 480

Conclusion

• Wrap Up

• Questions???