This will be a constantly updated list of the costs and parts that were used in the project (and the parts estimated costs) (Last Update: 11 Dec 2014)
| number | cost | total | item | source |
| 2 | $14.00 | $28.00 | Stepper motor – NEMA-17 size – 200 steps/rev, 12V 350mA | https://www.adafruit.com/products/324 |
| 1 | $19.95 | $19.95 | Adafruit Motor/Stepper/Servo Shield for Arduino v2 Kit | https://www.adafruit.com/products/1438 |
| 1 | $9.95 | $9.95 | Micro Servo – High Torque Metal Gear | https://www.adafruit.com/products/1143 |
| 2 | $7.95 | $0.00 | Flexible Coupler – 25772-03 | http://www.inventables.com/technologies/flexible-coupler |
| Description: O.D.: 18 mm – 20 mm, Bore A: 5 mm, Bore B: 6.35 mm, Length: 25 mm | ||||
| 1 | $7.95 | $7.95 | Flexible Coupler – 25772-03 | http://www.inventables.com/technologies/flexible-coupler |
| Description: O.D.: 18 mm – 20 mm, Bore A: 5 mm, Bore B: 6.35 mm, Length: 25 mm | ||||
| 1 | $24.95 | $24.95 | RGB LCD Shield Kit w/ 16×2 Character Display – Only 2 pins used! | https://www.adafruit.com/products/714 |
| 1 | $24.95 | $24.95 | Arduino Uno R3 (Atmega328 – assembled) | https://www.adafruit.com/products/50 |
| 1 | $1.97 | $0.00 | 1/4 in.-20 x 36 in. Zinc-Plated Threaded Rod | http://www.homedepot.com/p/1-4-in-20-x-36-in-Zinc-Plated-Threaded-Rod-17320/100338099 |
| 1 | $1.18 | $0.00 | 1/4 in.-20 tpi Zinc-Plated Steel Hex Nut (10-Pack) | http://www.homedepot.com/p/Everbilt-1-4-in-20-tpi-Zinc-Plated-Steel-Hex-Nut-10-Pack-802181/204274116 |
| 1 | $2.49 | $2.49 | RadioShack® 4-40 Round-Head Machine Screws (42-Pack) | http://www.radioshack.com/product/index.jsp?productId=2103301 |
| 1 | $2.49 | $2.49 | 4-40 Hex Nuts (30-Pack) | http://www.radioshack.com/product/index.jsp?productId=2103390 |
| 1 | $2.95 | $2.95 | Linear Ball Bearing – 8mm Diameter (LM8UU) | https://www.adafruit.com/products/1181 |
| 1 | $11.95 | $11.95 | Aluminum GT2 Timing Pully – 6mm belt – 36 tooth – 5mm Bore | https://www.adafruit.com/products/1253 |
| 1 | $9.95 | $9.95 | Timing Belt GT2 Profile – 2mm pitch – 6mm wide 1164mm long | https://www.adafruit.com/products/1184 |
| 1 | $13.18 | $13.18 | Linear Motion 8 mm Shaft, 406 mm Length, Chrome Plated, | http://www.amazon.com/dp/B0045DWAAG/ref=pe_385040_30332200_TE_item |
| Case Hardened, Metric | ||||
| 1 | $25.95 | $25.95 | Powerswitch tail 2 (for computer control over drill motor) | https://www.adafruit.com/products/268 |
| 2 | Idler bearings | |||
| 1 | $1.95 | $1.95 | Servo Extension Cable – 30cm / 12″ long – | https://www.adafruit.com/products/972 |
| 1 | 8.95 | $8.95 | Stepper Motor Mount with Hardware – NEMA-17 Sized | https://www.adafruit.com/products/1297 |
| Total | $195.61 |
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