CS-EE 481 Spring 2006

February, 2006 1University of Portland School of Engineering

Project MolallaMicroprocessor-based

Charge Controller Team

Andrew Melton

John Turner

Antoinette Realica

AdvisorDr. Lu

Industry RepresentativeMr. Andrew Hui

Intel Corp.

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Overview• Introduction

• Scorecard

• Additional Accomplishments

• Plans

• Issues/Concerns

• Conclusions

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Introduction• Build a microprocessor-based charge

controller – Select between pre-existing charging source and

solar-powered charging source

Molalla Product

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Introduction

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Scorecard

• Complete PIC program 0.9 [done]

• Finish acquiring parts [continuing]

• Complete TOP [done]

• Begin construction of PC board [done]

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Additional Accomplishments

• Updated website

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Milestones

Number Description Original10/28/05

Previous01/26/06

Present02/27/06

1 Product Approval 10/07/05 10/07/05 10/05/05

2 Plan Approval 11/11/05 11/11/05 11/11/05

3 Design Release 12/09/05 12/09/05 12/09/05

4 Boost Converter Built (added 12/08) N/A 12/15/05 12/15/05

5 Parts Received 01/27/06 02/10/06 03/24/06

6 TOP’s Approval 02/24/06 02/24/06 02/24/06

7 PIC Program 0.95 03/03/06 03/03/06 03/03/06

8 Prototype Release 04/07/06 04/07/06 04/07/06

9 Founder’s Day 04/11/06 04/11/06 04/11/06

10 Final Report 04/13/06 04/13/06 04/13/06

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Plans

• Complete PIC Program 0.95

• Test Boost Converter on PCB

• Test Boost Converter using batteries

• Test Relays

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Concerns/Issues

• Staying on schedule and within budget

• Fine tuning and debugging boost converter

• Physical layout of boost converter

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Conclusions

• Making Progress

• Main concern:– Staying on schedule

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Questions

?

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References

• Images taken from http://www.mariotendo.com/gcn_sms.php