Bill of Materials

 

Item

Quantity

Cost

 

 

 

Mechanical Components

 

 

 

 

 

Structural Members

 

 

Foam Core

 

donated from 218lab

Masonite Sheet (Length 4', Width 4')

3

$36

Wooden Dowel (Diameter 7/8", Length 48")

1

$3.14

Corner Brace (Leg Lengths 3", Width 3/4")

6

$5.16

V Belt (Inner Diameter 46", Width 1/2")

1

$7.99

V Belt (Inner Diameter 49", Width 1/2")

1

$7.99

EndCap (SWAG and ball dispensers)

2

$4.99

PVC Pipe (Inner Diamerter 1", Length 2')

1

$4.00

PVC 90degree Elbow (Inner Diamerter 1")

1

$1.00

PVC 135degree Elbow (Inner Diamerter 1")

1

$1.00

Hose Clamp (Diameter 19-44mm)

2

$3.00

10' 2x4 Wooden Plank

2

donated from previous projects

Spring

1

$0.75

 

 

 

Fasteners Etc.

 

 

Hot Glue Sticks

12

$6.50

Electricians Tape

 

donated from previous projects

Duct Tape

 

donated from previous projects

Caulk Gun

1

$2.49

Wood Screws (Length 1.5")

30

$1.50

Washer (Inner Diameter 1")

8

$1.19

3/16" bolts

10

$2.00

3/16" nuts

10

$0.70

18 Gauge Nail

1

$0.10

Ball Bearings (3/8" diameter spheres)

6

$2.40

 

 

 

Motors

 

 

Swag Motor

1

$6.00

DC Motor

2

donated from previous projects

Servo Motor

1

donated from previous projects

Vibrating Motor

1

$1.00

Mounting Hubs

2

$7.99

 

 

 

Decorations

 

 

Spray Paint (various colours)

lots

donated from various sources

Drinking Straw

1

$0.00

Model Magic Clay

3oz

$4.75

Large Stickers

3

$3.00

Bouncy Balls (SWAG)

50

$4.95

 

 

 

Electronic Components

 

 

 

 

 

Misc

 

 

Wire

lots

$10.00

Molex connectors

lots

$6.00

 

 

 

Hardware

 

 

Fast Recovery Diodes

4

$0.60

5.1V Zener Diodes

4

$0.60

Resistors of various values

20

$0.20

Jumbo LEDs

7

$1.75

LEDs

5

donated from previous project

7-Segment Display (Common Anode)

2

$2.60

Limit Switches

5

$7.45

Limit Switches with Rollers

3

$4.50

50K Potentiometer

1

$1.39

 

 

 

Chips

 

 

M74HC164N Shift Register

3

$1.35

M74HC14N Hex Inverter

2

$0.70

M74HC32B1 OR Gate

1

$0.20

L293B H-Bridge

1

$2.25

2n7000 N-channel MOSFET

8

$2.40

IRFU 5305 N-channel MOSFET

1

$0.60

 

 

 

Profits from Demo Night

 

 

Pennies

12.18

$12.18

 

 

 

Total

 

$150.00

 

 

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