Tools |
Solderless Breadboard |
MeerkatSystems |
1 |
$4.70 |
$4.70 |
Wire Strippers |
Sparkfun |
1 |
$4.46 |
$4.76 |
Solder Vacuum |
Sparkfun |
1 |
$3.56 |
$3.80 |
Needle Nose Pliers |
Sparkfun |
1 |
$1.76 |
$1.88 |
Diagonal Cutters |
Sparkfun |
1 |
$1.76 |
$1.88 |
student Celsius thermometer |
Lab and Science |
1 |
$1.82 |
$2.42 |
screwdriver set |
Utopia tools |
1 |
$1.20 |
$1.70 |
Parts |
24 gauge fine silver wire |
Fusion Beads |
1′ |
$1.12 |
$1.12 |
hysteresis oscillator board |
ITEADStudio, design by Karplus |
1 |
$0.46 |
$0.55 |
instrumentation amp protoboard |
ITEADStudio, design by Karplus |
2 |
$1.80 |
$2.16 |
2-1/2″ x 4″ Shielded Speaker |
Parts Express |
1 |
$0.78 |
$1.28 |
Hook & Loop 6″ Cable Ties 6-Pack |
Parts Express |
1 |
$0.59 |
$0.97 |
resistor assortment |
Amazon |
1120 |
$13.12 |
$13.35 |
alligator clips (repackaged) |
Amazon |
4 |
$0.56 |
$0.57 |
EKG
electrodes (repackaged) |
Amazon |
10 |
$1.03 |
$1.05 |
3/16"
air-line tubing (repackaged) |
Amazon |
2′ |
$0.39 |
$0.40 |
double-ended
male headers (repackaged) |
ITEADStudio |
20 |
$0.15 |
$0.18 |
electrolytic
capacitors (repackaged) |
ITEADStudio |
12 |
$0.60 |
$0.72 |
ceramic capacitors |
ITEADStudio |
250 |
$4.80 |
$5.75 |
electret microphone CMA-4544PF-W |
DigiKey |
1 |
$0.75 |
$0.84 |
thermistor NTCLE413E2103F520L |
DigiKey |
1 |
$0.77 |
$0.86 |
4-long 0.1″ screw terminal 282834-4 |
DigiKey |
5 |
$2.91 |
$3.24 |
4.7μF 10v ceramic capacitor FK18X5R1A475K |
DigiKey |
6 |
$0.96 |
$1.07 |
MCP6004 quad op amp |
DigiKey |
2 |
$0.72 |
$0.80 |
NTD5867NL-1G nFET 18A |
DigiKey |
1 |
$0.38 |
$0.42 |
NTD2955-1G pFET 12A |
DigiKey |
1 |
$0.50 |
$0.56 |
INA126PA instrumentation amp |
DigiKey |
2 |
$4.50 |
$5.01 |
74HC14N Schmitt trigger hex inverter |
DigiKey |
1 |
$0.28 |
$0.31 |
LM2903 dual comparator |
DigiKey |
1 |
$0.27 |
$0.40 |
10kΩ trim pot CT94EW103 |
DigiKey |
1 |
$1.25 |
$1.39 |
phototransistor 3mm 940nm IR NPN WP3DP3BT |
DigiKey |
1 |
$0.19 |
$0.21 |
LED red diffuse 3mm 625nm WP710A10ID |
DigiKey |
1 |
$0.08 |
$0.09 |
LED green clear 3mm 565nm WP710A10SGC |
DigiKey |
1 |
$0.08 |
$0.09 |
LED IR emitter 5mm 950nm SFH 4512 |
DigiKey |
1 |
$0.20 |
$0.22 |
Packaging |
Ziploc 2-gallon freezer bag |
Amazon |
1 |
$0.44 |
$0.48 |
Ziploc sandwich bags |
donated |
1 |
|
|
2″x3″ zip-seal bags |
donated |
2 |
|
|
DIP rail (packaging) |
Jameco |
7″ |
$0.08 |
$0.12 |
DIP rail plugs |
Jameco |
2 |
$0.10 |
$0.15 |
Total price per student |
|
|
|
$65.50 |