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Parts and tools list for BME 51B Spring 2019

I think that these are the parts and tools ordered for Spring 2019.

Item price per student @83 Vendor Notes URL
Separate items
op amp protoboard
$0.97 SmartPrototyping
Alternates: Elecrow or Seeedstudio or ITEADStudio
1.6mm green, HASL, custom PC
Design files:
10W loudspeaker $1.40 PartsExpress–289-2268
(sold out, supplement with other cheap speakers)–299-359 (also sold out, supplement again)

tweezers $0.55 AliExpress
Ag/AgCl EKG electrodes 10/student $1.80 Danlee repackage into sealed ziplock
10kΩ potentiometer $0.50 digikey
subtotal $5.22
In dip rail
MCP6004 op amp 2/student $0.68 mouser or digikey
74AC04N inverter $0.41 mouser or digikey Note: 74AC technology.
TLC3702 comparator $0.94 mouser
subtotal $2.03
In anti-static bag
24-gauge fine sliver wire $0.55 Rio Grande 1 foot/student
electret microphone CMA-4544PF-W $0.51 digikey or mouser
0.1″ 4-wide screw terminal 4/student $0.76 AliExpress
PMV20XNER SOT-23 nFET 2/student $0.30 mouser
SSM3J332RLF SOT-23 pFET 2/student $0.25 mouser
half H-bridge board 2/student $0.07 SmartPrototyping 1¢ board, 6¢ shipping! Karplus already purchased—should be enough from last year<
right-angle male headers (20pin/student) $0.12 AliExpress×40-Single-Row-Male-2-54mm-Breakable-Pin-Header-Right-Angle/32812273133.html
subtotal $2.56
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 (5–6″ each) $0.13 Jameco cut to size
DIP plugs 2/student $0.14 Jameco
subtotal $0.97

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