Bill of materials

 

Item

Quantity

Cost

 

 

 

Mechanical Components

 

 

 

 

 

Structural Members

 

 

Foam Core

 

donated from 218lab

Masonite Sheet 1/4" (Length 4', Width 4')

1

$9.00

Masonite Sheet 1/8" (Length 4', Width 4')

1

$5.00

Threaded Rods (Length 1m, Diameter xxmm)

2

$3.00

Ball Casters

2

$3.00

PVC Pipe

1

$5.00

Roller Blade Wheels (88mm)

2

$10.00

 

 

 

Fasteners Etc.

 

 

Hot Glue Sticks

12

$6.50

Electricians Tape

 

donated from previous projects

Duct Tape

 

donated from previous projects

Various Nuts and Bolts

lots

$5.00

 

 

 

Motors

 

 

Drive Motors

2

donated

Dumping Motor

1

donated from previous projects

Servo Motor

2

donated from previous projects

Spider Couplings

2

$5.00

Stainless Steel Rods (Length 1m, Diameter 4mm)

1

$3.00

Mounting Hubs

2

$5.00

Aluminum Shim (Length 1m, Diameter 5mm)

1

$3.00

Washers (Inner Diameter 5mm)

2

$0.30

Pillow Blocks

3

$3.75

 

 

 

Electronic Components

 

 

 

 

 

Misc

 

 

Wire

lots

$10.00

Molex connectors

lots

$6.00

Solder

lots

$3.00

 

 

 

Hardware

 

 

Batteries

2

$22.00

Fast Recovery Diodes

2

$0.30

5.1V Zener Diodes

2

$0.30

Resistors of various values

20

$0.20

Limit Switches

2

donated from previous projects

10K Potentiometer

2

$1.00

Capacitors (various values)

10

$1.00

Tape Sensors

3

$5.00

Perf Boards

10

$10.40

Heat Sinks

4

$0.40

Phototransistors

4

donated from previous projects

Kill Switch

1

$2.00

 

 

 

Chips

 

 

M74HC14N Hex Inverter

3

$1.05

LM 324

2

$0.70

TLE-5206

2

$18.00

IRLZ 34N

2

$0.60

LM 7805

4

$1.40

LM 6144

3

donated from NI

 

 

 

Brain cells lost from soldering

too many

$0.10

 

 

 

Total

 

$150.00

 

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