Spectrometer materials list

Page for organizing parts lists and instructions for the "countertop spectrometer" on Kickstarter

Countertop spec

Lead on non-PVC options (CT/MASS) - http://www.ew-ct.com/

• Easily IR-modifiable webcam - USB HD with flat sides
• $11 halogen puck light
• $10.35 halogen puck light
• dimmable transformer
• $1.30 polypropelyne 1" L-joint, threaded: http://www.mcmaster.com/#plastic-pipe-fittings/=j5uf11
  • More polypro elbow (maybe threaded...): http://www.murrayequipment.com/iteminfo.asp?Manuf=PLY&Part=L1
  • threaded polypro elbow: http://www.dultmeier.com/products/search/2020
  • same as above but M/F: http://www.dultmeier.com/products/search/2021
  • pipe threader: http://www.harborfreight.com/1-2-half-inch-to-1-inch-ratcheting-pipe-thr...
  • PE 90? elbow: http://www.alibaba.com/product-gs/620804472/Plastic_polyethylene_elbow_A...
  • ditto: http://www.alibaba.com/product-gs/595112708/dn75_400mm_equal_elbow_PE_pl...
  • ditto, maybe M/F: http://www.alibaba.com/product-gs/620804472/Plastic_polyethylene_elbow_A...
  • ditto M/F: http://www.alibaba.com/product-gs/598443356/pe_male_and_female_plumbing_...
• $0.70-$1 ea light bulb socket
• $5.38 ea 2-gang PVC FSE box with one 1" exit hole
• non-PVC junction boxes
• $4.38 ea 1-in Type-LB PVC fitting ($2.70 in quantity or $1.79 from Ace Hardware (Google Shopping, orig manufacturer)
• $11 ea 1-in Type-LB aluminum access port
  • <$1.60 - Bulk Purchase - 1" aluminum part in bulk on Alibaba
• internal elbow PVC joint

Metal conduit options:

• http://www.mcmaster.com/#conduit-benders/=l4u5wd
• http://www.mcmaster.com/#conduit-fittings/=l4u0cu
• phenolic lamp sockets: http://www.1000bulbs.com/category/phenolic-incandescent-sockets/

Final countertop parts:

The Google Spreadsheet listing has been finalized in this research note: http://publiclab.org/notes/warren/04-17-2013/final-countertop-spectromet...

• $8.59 - in-line replacement dimmer
• $18.06 - PVC Outlet Box with Hub Single Device, One Hub, 1" Hub Trade Sz (McMaster)
• $3.50/ft cheap black PP pipe
• $1.78 - 90? Elbows, Male Unthreaded Pipe End to Female Unthreaded Socket End - McMaster 4880K773
• <$1.60 - Bulk Purchase - 1" aluminum part in bulk on Alibaba
• $5.38 ea 2-gang PVC FSE box with one 1" exit hole
• $0.70-$1 ea light bulb socket

• $10 USB camera (roughly)

• 1' PVC 1" pipe

• faceplate for base box
• light bulb

Total price: $40 so far

Final kit

Dimensions: 2x3x6 Type LB conduit box

Packaging options:

• $0.27 - http://www.uline.com/Product/Detail/S-9847/Literature-Mailers/7-x-3-5-8-...
• $0.42 - http://www.uline.com/Product/Detail/S-9848/Literature-Mailers/7-1-8-x-4-...
• $0.20 - http://www.uline.com/Product/Detail/S-7369/Specialty-Boxes/3-x-3-x-6-Kra...
• $0.23 - http://www.uline.com/Product/Detail/S-4881/Corrugated-Boxes-200-Test/4-x...

Fancy:

• Wooden box
• whoa, metal options for spec enclosure
• Super-fancy aluminum "iron man" style conduit body
• cast aluminum conduit boxes (for base)

Mobile

• http://www.protomold.com/ - rapid injection molding, 10-10,000
• http://photojojo.com/store/awesomeness/cell-phone-lenses/
• http://www.thingiverse.com/thing:28100 (ChemistryDude edition, for extrusion printing, he mentioned a version for nylon commercial 3d printing too...)

Other parts

• Desktop microphone stands (still needs a clip, but ~$8)

• small square glass bottles (see Quarter-ounce bottles)

• Regular postcards are $0.32, Maximum size: 6 inches long by 4-1/4 inches high by .016 inch thick