THE BDX-R BUILD / PARTS & TOOLS
Every part.
A place in the build.
Your shopping workbook, connected to the course. Find a component, understand its job, and see which labs use it.
Shipping estimate in the workbook: $180.00–$300.00. Tax, duties and additional fabrication freight are excluded. This is a planning list, not a complete delivered-price quote. Read each item’s fit and compatibility notes before ordering.
Quantities below are purchase quantities. A “1” can mean one kit or pack; the item notes define the unit. The labs specify what to bring to each step and reuse supplies across steps.
| Component & purpose | Purchase qty | Unit / pack | Line total | Supplier |
|---|---|---|---|---|
WiringMain power wirePurpose & fit checksMain power wire. One pack: 5 ft red + 5 ft black, 12 AWG tinned copper with silicone insulation. Final current and routing check needed. Workbook: Shopping list, row 10. | 1 | $11.98 | $11.98 | Amazon |
WiringMotor branch and extension wirePurpose & fit checksBranch wiring. One pack: 10 ft red + 10 ft black, 16 AWG tinned copper. Final lengths and current ratings need checking. Workbook: Shopping list, row 11. | 1 | $9.98 | $9.98 | Amazon |
WiringBattery quick-disconnect pairPurpose & fit checksFive mating XT90-S anti-spark connector pairs per pack. Proposed installed need: one pair. Battery interface must be confirmed. Workbook: Shopping list, row 12. | 1 | $11.58 | $11.58 | Amazon |
WiringHeat-shrink insulationPurpose & fit checksInsulates wire joints. One XHF kit: 225 pieces, eight sizes, 3:1 adhesive-lined heat shrink. Workbook: Shopping list, row 13. | 1 | $9.99 | $9.99 | Amazon |
WiringCable tiesPurpose & fit checksSecures wiring. One pack: 100 Gardner Bender 4-inch nylon ties, 18 lb rating. Workbook: Shopping list, row 14. | 1 | $9.42 | $9.42 | Amazon |
WiringProtective braided sleevePurpose & fit checksProtects wire bundles. One Techflex roll: 25 ft of 1/4-inch nominal PET braided sleeve. Check final bundle diameter. Workbook: Shopping list, row 15. | 1 | $13.12 | $13.12 | Amazon |
ElectronicsKingston Canvas Select Plus 128 GB microSDXC SDCS3/128GBPurpose & fit checksBoot and storage card for the Jetson. Kingston Canvas Select Plus SDCS3/128GB, 128 GB microSDXC. Workbook: Shopping list, row 16. | 1 | $23.99 | $23.99 | Amazon |
ElectronicsINNO-MAKER USB2CAN-CablePurpose & fit checksUSB-to-CAN connection for each of three motor buses. Each INNO-MAKER USB2CAN-C includes a DB9 terminal breakout. Workbook: Shopping list, row 17. | 3 | $47.99 | $143.97 | Amazon |
Mechanical & printedM3 screw/nut/washer kitPurpose & fit checksOne 720-piece kit: 180 screws (30 each: 6/8/10/12/16/20 mm), 180 nuts, 180 split lock washers and 180 flat washers. Installed counts unverified. Workbook: Shopping list, row 18. | 1 | $6.99 | $6.99 | Amazon |
Mechanical & printedM4 screw/nut/washer kitPurpose & fit checksOne 720-piece kit: 240 screws (20 each of 12 lengths, 6–50 mm), 240 nuts and 240 washers. Exact lengths and installed counts unverified. Workbook: Shopping list, row 19. | 1 | $28.86 | $28.86 | Amazon |
Mechanical & printedM3 heat-set insert candidatePurpose & fit checksOne pack of 100 ruthex RX-M3x5x4 inserts, 5 mm OD × 4 mm long. Hold: printed pocket dimensions are not confirmed. Workbook: Shopping list, row 20. | 1 | $9.99 | $9.99 | Amazon |
Mechanical & printedFlexible foot-pad adhesive candidatePurpose & fit checksGorilla Clear Grip, one 3 oz tube. Foot-pad adhesive candidate; confirm compatibility with the final foot materials. Workbook: Shopping list, row 21. | 1 | $5.99 | $5.99 | Amazon |
Mechanical & printedRemovable threadlockerPurpose & fit checksLoctite 242 blue, one 6 mL bottle. Removable threadlocker for appropriate metal-to-metal joints. Workbook: Shopping list, row 22. | 1 | $7.87 | $7.87 | Amazon |
ActuatorsRobStride 03 actuatorPurpose & fit checksEight RobStride 03 actuators for the larger joints. Preserve the classic CAN protocol expected by the project. Workbook: Shopping list, row 23. | 8 | $225.00 | $1,800.00 | Seeed Studio |
ActuatorsRobStride 02 dual-encoder actuatorPurpose & fit checksThree RobStride 02 dual-encoder actuators. Included cable ends and shipped protocol revision need confirmation. Workbook: Shopping list, row 24. | 3 | $145.00 | $435.00 | Seeed Studio |
ActuatorsRobStride 05 actuatorPurpose & fit checksFive RobStride 05 actuators for smaller joints, including the ears. Public software still needs ear integration. Workbook: Shopping list, row 25. | 5 | $110.00 | $550.00 | Seeed Studio |
WiringIgus CFBUS-020 CAN cable — per footPurpose & fit checks10 ft planning allowance of 120 Ω shielded continuous-bend cable, replacing the limited-flex TKD cable. Requires at least 65 mm bend radius; no torsion rating. Route and core arrangement still need checking. Workbook: Shopping list, row 26. | 10 | $6.901 | $69.01 | DigiKey |
WiringM5 main-power ring terminals — TE 2-130171-1Purpose & fit checksFour 12–10 AWG rings: two for the main fuse holder and two for the distribution feed/return. In-stock cut-tape equivalent replaces the former TE 130171 offer. Workbook: Shopping list, row 27. | 4 | $2.14 | $8.56 | DigiKey |
WiringM6 ring terminals for disconnectPurpose & fit checksTE 165034, M6 ring, 12–10 AWG, for the disconnect. Two terminals. Branch distribution needs additional connections. Workbook: Shopping list, row 28. | 2 | $1.22 | $2.44 | DigiKey |
ElectronicsXsens MTI-3-5A-DK complete development kitPurpose & fit checksMeasures body orientation for balance. Complete Xsens MTI-3-5A-DK kit includes sensor, interface board and cable. Workbook: Shopping list, row 29. | 1 | $550.00 | $550.00 | DigiKey |
ElectronicsAdafruit 3369 Mini External USB Stereo SpeakerPurpose & fit checksRobot sound output. Adafruit 3369 mini USB stereo speaker with its USB connection. Workbook: Shopping list, row 30. | 1 | $12.50 | $12.50 | DigiKey |
ElectronicsStackpole CF14JT120R 120-ohm 0.25 W resistorPurpose & fit checks120-ohm CAN termination resistors, one per proposed far end. Final bus topology determines installation. Workbook: Shopping list, row 31. | 3 | $0.10 | $0.30 | DigiKey |
ElectronicsSwitchcraft760 power barrel plugPurpose & fit checksRegulated-power plug for the Jetson. Switchcraft 760, 5.5 × 2.5 × 9.5 mm, 5 A. Wire center positive. Workbook: Shopping list, row 32. | 1 | $5.43 | $5.43 | DigiKey |
ElectronicsAdafruit 5030 USB-C plug to USB-A socket adapterPurpose & fit checksAdafruit 5030 USB-C plug to USB-A socket data adapter for an onboard peripheral. Workbook: Shopping list, row 33. | 1 | $0.95 | $0.95 | DigiKey |
PowerPololu D42V55F18 18V 4A regulatorPurpose & fit checksConverts battery voltage to 18 V for the computer. Pololu D42V55F18, 4 A. Power budget needs testing. Ships separately from Pololu. Workbook: Shopping list, row 34. | 1 | $54.34 | $54.34 | DigiKey |
PowerLittelfuse 142.5631.5402 40A58V main fusePurpose & fit checksLittelfuse 142.5631.5402 main fuse, 40 A, 58 V. Proposed rating, pending final wire/current coordination. Workbook: Shopping list, row 35. | 1 | $4.70 | $4.70 | DigiKey |
PowerLittelfuse 04980921GXM5 main fuse holderPurpose & fit checksLittelfuse 04980921GXM5 holder for the main fuse. Includes the holder, not the complete power distribution harness. Workbook: Shopping list, row 36. | 1 | $9.35 | $9.35 | DigiKey |
PowerLittelfuse 0FHM0003ZXJS inline branch fuse holderPurpose & fit checksFour Littelfuse 0FHM0003ZXJS branch fuse holders: three motor branches and one electronics branch. Workbook: Shopping list, row 37. | 4 | $6.39 | $25.56 | DigiKey |
PowerLittelfuse 0997005.WXN 5A58V electronics fusePurpose & fit checksLittelfuse 0997005.WXN, 5 A, 58 V electronics branch fuse. Proposed rating pending final design. Workbook: Shopping list, row 38. | 1 | $1.04 | $1.04 | DigiKey |
PowerLittelfuse 0997015.WXN 15A58V motor branch fusePurpose & fit checksThree Littelfuse 0997015.WXN, 15 A, 58 V motor branch fuses. Proposed ratings pending final design. Workbook: Shopping list, row 39. | 3 | $1.04 | $3.12 | DigiKey |
ElectronicsNVIDIA Jetson Orin Nano Super Developer Kit 8 GBPurpose & fit checksOnboard computer. NVIDIA Jetson Orin Nano Super Developer Kit, 8 GB. Includes the developer carrier and cooling assembly. Workbook: Shopping list, row 40. | 1 | $399.00 | $399.00 | B&H |
PowerRYOBI OP4040408 40V 4Ah battery and fast charger kitPurpose & fit checksCandidate robot battery plus fast charger: RYOBI OP4040408, 40 V, 4 Ah. Robot rail fit and battery protection remain unverified. Workbook: Shopping list, row 41. | 1 | $199.00 | $199.00 | Home Depot |
Mechanical & printedSolid foot-rubber sheet candidatePurpose & fit checksOne Rubber-Cal 45A solid neoprene/SBR sheet, 1/8 × 6 × 12 in. Hold: flat material does not reproduce the shaped source pad. Workbook: Shopping list, row 42. | 1 | $9.97 | $9.97 | Home Depot |
PowerAlbright ED80 manual emergency disconnectPurpose & fit checksAlbright ED80 manual emergency power disconnect. Mounting and complete power design still need verification. Workbook: Shopping list, row 43. | 1 | $48.50 | $48.50 | Tecknowledgey |
Mechanical & printedAluminum head base plate (estimate)Purpose & fit checksApprox. 217 × 283 × 2 mm. Budget $150; rough local-shop range $100–200 for a flat cut part with ready artwork. Estimate only, not a vendor quote. Alloy, holes and tolerances need confirmation. Workbook: Shopping list, row 44. | 1 | $150.00Planning estimate | $150.00 | Aqua Jet (candidate) |
Mechanical & printedAluminum hip-roll connectorsPurpose & fit checksTwo custom 3D machined connectors. Separate from the flat head plate. Drawings and actual machining quote are outstanding. Workbook: Shopping list, row 45. | 2 | To price | — | Machine shop TBDSpecification / quote needed |
Mechanical & printedPrinted structure and cosmetic partsPurpose & fit checksOne complete print set on the owned X2D. Part manifest, materials and print quantities remain unfinalized. Filament cost excluded under the agreed scope. Workbook: Shopping list, row 46. | 1 | Excluded | — | Own printer |
PowerRYOBI 40 V battery adapter (candidate)Purpose & fit checksDrive and Fly RC locking adapter with 12 AWG leads. Published retail option; OP40404 fit, contact current rating and protection through the adapter are unverified. This is not yet a qualified 40 A interface. Workbook: Shopping list, row 47. | 1 | $10.99 | $10.99 | eBay · Drive and Fly RC |
PowerCovered positive and negative common bus barsPurpose & fit checksTwo covered Blue Sea 2314 bus bars: one positive, one negative. Each is rated 100 A / 48 V DC; five branch screws plus two main studs. Proposed four-branch layout; mounting fit still needs checking. Workbook: Shopping list, row 48. | 2 | $19.95 | $39.90 | Amazon.com |
WiringFuse-holder input ringsPurpose & fit checksFour TE 34108 uninsulated #8/M4 rings, one on each 18 AWG fuse-holder input. Insulate the crimp barrels with the heat shrink already listed; use a matched SOLISTRAND crimp tool. Workbook: Shopping list, row 49. | 4 | $0.38 | $1.52 | DigiKey |
WiringBranch negative-return ringsPurpose & fit checksFour TE 320565 #8/M4 insulated rings for the four 16 AWG negative return wires. Fits the selected wire insulation diameter. Workbook: Shopping list, row 50. | 4 | $0.41 | $1.64 | DigiKey |
WiringFuse-output to branch-wire connectorsPurpose & fit checksFour genuine WAGO 221-412 lever splices, joining each 18 AWG fuse-holder output to its 16 AWG branch wire. For the fused 15 A / 5 A branches only, not the 40 A main feed. Workbook: Shopping list, row 51. | 4 | $0.62 | $2.48 | DigiKey |
WiringMounting carriers for four branch connectorsPurpose & fit checksFour WAGO 221-502 screw-mount carriers, one per branch splice. Uses M3 mounting hardware from the existing kit; screw length depends on the mounting support. Workbook: Shopping list, row 52. | 4 | $1.42 | $5.68 | DigiKey |
PowerODrive regeneration clamp (conditional)Purpose & fit checksPWR-CLMP1-ST redirects returned motor energy into an included 2 Ω / 50 W resistor. Budgeted candidate, not yet a required purchase. Regen energy, resistor cooling and power-on sequencing must be checked. Workbook: Shopping list, row 53. | 1 | $89.00Conditional option | $89.00 | ODrive US |
PowerODrive S1 heat spreader for clampPurpose & fit checksACC-HS04 heat spreader, thermal pad and mounting screws. Needed for the clamp’s 40 A continuous rating. US store sold out; worldwide store offers it. Conditional with the clamp. Workbook: Shopping list, row 54. | 1 | $12.00Conditional option | $12.00 | ODrive Worldwide |
WiringRS02 / RS05 combined motor tails — 10-packPurpose & fit checksM5Stack A146: ten 10 cm XT30(2+2)-F tails, with 18 AWG power and 26 AWG CAN leads. Eight cover the 3 RS02 + 5 RS05 motors if usable leads are not included. Verify motor pinout before power. Workbook: Shopping list, row 55. | 1 | $14.50 | $14.50 | DigiKey |
WiringRS03 XT30 power connector packsPurpose & fit checksEach 3803-0102-0505 pack has five mating pairs. Use eight female-contact halves for the eight RS03 motors, with existing 16 AWG wire. Standard XT30 substitute for specified AMASS XT30UW-F; seating/clearance must be checked. Workbook: Shopping list, row 56. | 2 | $4.99 | $9.98 | goBILDA |
WiringRS03 JST GH CAN housings — backorderPurpose & fit checksGenuine JST GHR-02V-S, 2-position 1.25 mm GH. Eight required; buying ten costs less at the price break. Out of stock; expected December 16, 2026. Combine with the precrimped leads below. Workbook: Shopping list, row 57. | 10 | $0.074 | $0.74 | DigiKey · backorder |
WiringRS03 JST GH precrimped CAN leadsPurpose & fit checksJST AGHGH28K203, 203 mm double-ended 28 AWG leads. Cut eight in half for sixteen contacted wires: two per motor housing. Both wires are black; label H/L. Keep soldered joins fixed and strain-relieved. Workbook: Shopping list, row 58. | 8 | $0.47 | $3.76 | DigiKey |
Mechanical & printedM2 / M2.5 / M3 / M4 brass standoff kitPurpose & fit checksOne EEEEE 572-piece brass spacer, screw and nut assortment; includes M2.5 and M3 electronics mounting sizes. Proposed stock kit; board clearance and chosen spacer heights still need checking. Workbook: Shopping list, row 59. | 1 | $34.99 | $34.99 | Amazon · eeeee_shop |
Mechanical & printedMetric nylon-insert locknut assortmentPurpose & fit checksOne 140-piece kit, M3/M4/M5/M6/M8/M10/M12, advertised 304 stainless steel. Covers locking nuts absent from the screw kits. Exact installed quantities and available thread engagement remain to be checked. Workbook: Shopping list, row 60. | 1 | $6.59 | $6.59 | Amazon · ALLWIN-HD |