RESIDENTIAL ACTIVE DAYLIGHTING SYSTEM

4/21/2010

Alec Bornemann

BACKGROUND

- Light Bulbs are Being Used in Homes During Daylight Hours While Sunlight is “Wasted” On the Floor- An Economical, User Friendly Way to Use This Sunlight is Needed

MORE BACKGROUND- Some Patented Designs Use a Single Large Mirror to Reflect Light- These Waste Space and Available Sunlight

POSSIBLE SOLUTIONS• Redirect Sunlight To Desired Location Using Solar-Tracking Mirrors

- Only Get What Comes Through Windows

•“Pipe” Light Using Fiber-Optics - Expensive, Not User Friendly

SOLUTION CHOICE

-Multiple Mirrors Oriented

Similar to Venetian Blinds

System Diagram

CLARIFICATION

SUN ANGLE

MIRROR ANGLE

USER ANGLE

INDOOR

OUTDOOR

Main Mechanical Components

AltitudeLink

Mechanical Details

Linkage

Center Line of Pivot Point

Spherical Bearings

Linkage

Software Overview

Electrical Components

-5V Power Supply- 3.3V Regulator to Power Micro Controllers- HCS08 Microcontroller- Servo Motors

Electrical Schematic

Servo Motors

-HiTec 1/4 scale and 1/8 scale -HCS08 inputs a PWM, pulse width determines angle. -Acts as a smart device in this system

Sensor Orientation

Management

-Only Group Member.-Spoke with Sales Representatives to

Request “Samples” or Donations.-Working in Conjunction with Other Groups

to Share Responsibilities.

Budget

Part Name Quantity

Price

Servo Motor 2 $70

Aluminum 8 Feet $25

Bearings 24 $120 (Donated)

Universal Joint 1 $20

HCS08 µC 1 $1

6 V Power Supply 1 $20 (Owned)

Total $236 ($116 Actual Cost)

SCHEDULE

What I Have Learned

- Just because it worked when you left does NOT mean it will work when you come back.

- Plan on getting frustrated.

Questions?

Thanks To:

- LWI Metalworks- John Murphy- Bob Royce- Mike Wright- Roger Howes- Eric Bornemann- John Bornemann- Aaron Minard- Eric Hall- Igus Inc.