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 |