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Parts and Tools BME 51B Fall 2020

Parts and tools list for BME 51B for at-home labs (updated 2020 Aug 19)

This list only has the additional tools and parts that aren’t carried over from BME 51A.

Item price per student @32 Current Inventory Vendor Notes Status URL
Separate items
op amp protoboard
$1.50 Seeedstudio
Alternates: Elecrow or SmartPrototyping or ITEADStudio
10W loudspeaker $0.80 PartsExpress
tweezers $0.55 AliExpress
Ag/AgCl EKG electrodes 10/student $1.18 Amazon
(4 sets of 3 packs of 50) repackage into sealed ziplock
10kΩ potentiometer $0.52 digikey
5′ each of 6 colors of 22-gauge wire $1.85 jameco
lead-free solder $2.95 jameco
soldering iron $4.99 harbor freight
solder sucker $2.50 AliExpress
safety glasses $1.75 any over-glasses style
2 100µH 1A inductors $0.55 digikey
1 220µH 1A inductor $0.59 digikey
1 330µH 1A inductor $0.96 digikey
subtotal $18.59
In dip rail
MCP6004 op amp 3/student $0.99 mouser or digikey
74AC04N inverter $0.43 mouser or digikey
TLC3702 comparator $1.02 mouser or digikey
subtotal $2.44
In anti-static bag
24-gauge fine sliver wire $0.59 Rio Grande 1 foot/student
electret microphone CMA-4544PF-W $0.51 digikey or mouser
0.1″ 4-wide screw terminal 4/student $0.61 AliExpress (2 lots of 50)
PMV20XNER SOT-23 nFET 3/student $0.40 mouser
SSM3J332R,LF SOT-23 pFET 3/student $0.37 mouser
half H-bridge board 3/student $0.11 SeeedStudio or SmartPrototyping 1¢ board, 6¢ shipping! Check stock.
right-angle male headers (20pin/student) $0.08 AliExpress 3 sets of 10 (ePacket)
2N7000 nFET (through-hole) $0.25 digikey
subtotal $2.92
2-gal freezer bag (for everything) $0.53 Target
quart freezer bag (for electrodes) $0.15 Target
2″x3″ antistatic bag $0.02 probably already in stock
DIP rail (3–6″ each) $0.13 Jameco cut to size
DIP plugs 2/student $0.16 Jameco
subtotal $0.99
Total $24.94
Loaner equipment to be returned
Analog Discovery 2
Meanwell SGA 5V power supply
Stainless-steel electrode pair
Holder for Ag/AgCl electrodes

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