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. 2020 Jan 21;7:e00097. doi: 10.1016/j.ohx.2020.e00097

Bill of Materials.

Designator Component Number Cost per unit – currency Total cost – currency Source of materials Material type
Power Supply RID-50B 1 24.86 USD 24.86 USD https://www.digikey.com/product-detail/en/mean-well-usa-inc/RID-50B/1866-3997-ND/7705998 Semi-conductor, metal
AC Power Cord Power Cord, SJT 16AWG 1.5m 1 4.76 USD 4.76 USD https://www.digikey.com/product-detail/en/AK500%2f16-OE-5-1.5/AE10675-ND/2504516/?itemSeq=288091111 Metal, Polymer
Cable Gland PG 11 Cable Gland 1 1.63 USD 1.63 USD https://www.digikey.com/product-detail/en/amphenol-industrial-operations/AIO-CSPG11/AIO-CSPG11-ND/3904978 Polymer
Wire supports C-Type cable clip 2 0.51 1.02 USD https://www.digikey.com/product-detail/en/KKD-4-RT/RPC1093-ND/391921/?itemSeq=288091148 Polymer
DC Fan Axial 5VDC Fan 1 8.23 USD 8.23 USD https://www.digikey.com/product-detail/en/F410T-05MC/563-1132-ND/1165526/?itemSeq=288091815 Polymer, metal
Toggle Switch 125V 20A Rocker Switch 1 5.51 USD 5.51 USD https://www.digikey.com/product-detail/en/1-1571095-1/450-1666-ND/1755860/?itemSeq=288092178 Polymer, metal
Arduino DUE Arduino DUE + Plastic Base 1 38.50 USD 38.50 USD https://store.arduino.cc/usa/due Semi-conductor, polymer, metal
Touchscreen+Shield 7″ Resistive Touch Screen Shield w/Touch Panel 1 43.32 USD 43.32 USD https://www.buydisplay.com/default/7-inch-arduino-touch-screen-shield-ssd1963-library-for-mega-due Semi-conductor, polymer
Stepper Motor NEMA 17 Stepper Motor 59Ncm 1 13.99 USD 13.99 USD https://www.amazon.com/Stepper-Bipolar-Connector-compatible-Printer/dp/B00PNEQKC0/ref=sr_1_16?keywords=Pololu+A4988&qid=1551752141&s=gateway&sr=8-16 Metal, semi-conductor
Stepper Driver DM320T Stepper Driver 1 22.99 USD 22.99 USD https://www.amazon.com/STEPPERONLINE-0-3-2-2A-18-30VDC-Micro-step-Resolutions/dp/B075R88FMN/ref=sr_1_3?keywords=stepper+driver+nema+17&qid=1551985449&s=hi&sr=1-3 Metal, semi-conductor
3D Printer Filament Sindoh 3DWox PLA Filament Refill 1 29.99 USD 29.99 USD https://www.amazon.com/Sindoh-Filament-Compatible-millimeters-Diameter/dp/B01HD9ABCW/ref=sr_1_1?keywords=3dwox+pla&qid=1556766202&s=gateway&sr=8-1 Polymer
Arduino DUE power/Coding cable 90 Degree Micro-USB to USB-2.0 1 7.99 USD 7.99 USD https://www.amazon.com/RAYSUN-Packs-Degree-Micro-Male/dp/B00WMF7JUA/ref=sr_1_5?keywords=right+angle+usb+micro&qid=1556766578&s=gateway&sr=8-5 Polymer, metal
Male/Female Wires Male/Female Breadboard Jumper Wires 1 5.79 USD 5.79 USD https://www.amazon.com/EDGELEC-Breadboard-Optional-Assorted-Multicolored/dp/B07GD2BWPY/ref=sr_1_1_sspa?keywords=female+to+male+wires&qid=1556769900&s=gateway&sr=8-1-spons&psc=1 Polymer, metal
Right Angle Pin Headers Right Angle Connector 1 1.07 USD 1.07 USD https://www.digikey.com/product-detail/en/sullins-connector-solutions/PBC12SBAN/S1111E-12-ND/860352 Polymer, metal
EPS Cable 8pin EPS Power Extension Cable 1 4.98 USD 4.98 USD https://www.amazon.com/8in-EPS-Power-Extension-Cable/dp/B000M802RG/ref=sr_1_1_sspa?keywords=8pin+cpu+cable&qid=1556768920&s=gateway&sr=8-1-spons&psc=1 Polymer, metal
Clear vinyl belt material CLEAR MARINE VINYL – FLEXA®, 20 gauge 1 6.75 USD/ yard 6.75 USD https://www.marinevinylfabric.com/products/clear-marine-vinyl?variant=14023822049364&gclid=CjwKCAjwza_mBRBTEiwASDWVvgdS4FJH7yziSpOg90xvXsJvpJ-tusI3KtUpoINYdnEFi1rz5sKrBxoCYnsQAvD_BwE Polymer
1/4″ Acrylic stock (0.23” actual) 1@ 24″x48″x1/4″ 62.45 USD 62.45 USD https://www.mcmaster.com/8589K84 Polymer
Front Roller 7/8″ Diameter Steel Conveyor Roller for 4–7/8″ Between Frame Width 1 8.65 USD 8.65 USD https://www.mcmaster.com/2287T11 Metal
Aluminum stock for driving roller Tight-Tolerance 6061 Aluminum Rod 1 @ 1″ Diameter, 1ft length 18.27 USD 18.27 USD https://www.mcmaster.com/9062K21 Metal
Roller ball bearings R8 for ½″ shaft ball bearings 2 6.27 USD 12.54 USD https://www.mcmaster.com/60355K505 Metal
Plastic base Black UHMW Sheet 1@ 6″x12″x1″ 28.06 USD 28.06 USD https://www.mcmaster.com/4296A182 Polymer
Clear epoxy adhesive 10.89 USD 10.89 USD
Tensioner bolts 6–32 × ¾″ SHCS 2 0.16 USD 0.32 USD Metal
Motor mount bolts 8–32 × 5/8″ SHCS 2 0.17 USD 0.34 USD Metal
Nuts 8–32 Nuts 2 0.05 USD 0.10 USD Metal
Right side base bolts ¼–20 × ¾ SHCS 2 0.87 USD 1.74 USD Metal
Studs ¼-20 × 2″ Threaded bars 2 0.50 USD 1.00 USD Metal
Threaded inserts ¼–20 female, 7/16–14 male, 0.437″ length 4 4.10 USD 16.40 USD Metal
Angle adjustment hex head bolt ¼–20 × ¾″ 2 1.90 USD 3.80 USD Metal
Nuts ¼–20 2 0.20 USD 0.40 USD Metal
Wingnuts ¼–20 2 0.95 USD 1.90 USD Metal
Washers ¼ 4 0.11 USD 0.44 USD Metal
Set screw 10–32 Set screw 1 0.46 USD 0.46 USD Metal
M3 × 0.50 × 8 Bolts 2 0.35 USD 0.70 USD Metal
M3 × 0.50 × 10 12 0.43 USD 5.16 USD Metal
M3 × 0.50 × 12 Bolts 2 0.47 USD 0.94 USD Metal
M3 × 0.50 × 16 Bolts 6 0.55 USD 3.30 USD Metal
M3 Nuts 6 0.33 USD 1.98 USD Metal
M3 Washers 4 0.09 USD 0.36 USD Metal
M2 × 8 pan machine screws 2 0.33 USD 0.66 USD Metal
M2 Washers 2 0.23 USD 0.46 USD Metal
#4 × ½ pan sheet metal screws 4 0.09 USD 0.36 USD Metal
#6 × ½ pan sheet metal screws 2 0.10 USD 0.20 USD Metal