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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.

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WORKBOOK SUBTOTAL$4,866.27Priced rows, including the $150.00 plate estimate and $101.00 conditional regeneration assembly
UNPRICED CUSTOM ITEMS1 entryCustom machining remains additional; filament is excluded
SHOPPING RECORDNov 3, 2026USD snapshot. Prices and availability are not live.

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.

Print files & worksheets
51 of 51 entries shown

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 & purposePurchase qtyUnit / packLine totalSupplier
WiringMain power wire
Purpose & fit checks

Main 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$11.98Amazon
WiringMotor branch and extension wire
Purpose & fit checks

Branch 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$9.98Amazon
WiringBattery quick-disconnect pair
Purpose & fit checks

Five 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$11.58Amazon
WiringHeat-shrink insulation
Purpose & fit checks

Insulates wire joints. One XHF kit: 225 pieces, eight sizes, 3:1 adhesive-lined heat shrink.

Workbook: Shopping list, row 13.
1$9.99$9.99Amazon
WiringCable ties
Purpose & fit checks

Secures wiring. One pack: 100 Gardner Bender 4-inch nylon ties, 18 lb rating.

Workbook: Shopping list, row 14.
1$9.42$9.42Amazon
WiringProtective braided sleeve
Purpose & fit checks

Protects 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$13.12Amazon
ElectronicsKingston Canvas Select Plus 128 GB microSDXC SDCS3/128GB
Purpose & fit checks

Boot and storage card for the Jetson. Kingston Canvas Select Plus SDCS3/128GB, 128 GB microSDXC.

Workbook: Shopping list, row 16.
1$23.99$23.99Amazon
ElectronicsINNO-MAKER USB2CAN-Cable
Purpose & fit checks

USB-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$143.97Amazon
Mechanical & printedM3 screw/nut/washer kit
Purpose & fit checks

One 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$6.99Amazon
Mechanical & printedM4 screw/nut/washer kit
Purpose & fit checks

One 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$28.86Amazon
Mechanical & printedM3 heat-set insert candidate
Purpose & fit checks

One 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$9.99Amazon
Mechanical & printedFlexible foot-pad adhesive candidate
Purpose & fit checks

Gorilla 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$5.99Amazon
Mechanical & printedRemovable threadlocker
Purpose & fit checks

Loctite 242 blue, one 6 mL bottle. Removable threadlocker for appropriate metal-to-metal joints.

Workbook: Shopping list, row 22.
1$7.87$7.87Amazon
ActuatorsRobStride 03 actuator
Purpose & fit checks

Eight RobStride 03 actuators for the larger joints. Preserve the classic CAN protocol expected by the project.

Workbook: Shopping list, row 23.
8$225.00$1,800.00Seeed Studio
ActuatorsRobStride 02 dual-encoder actuator
Purpose & fit checks

Three RobStride 02 dual-encoder actuators. Included cable ends and shipped protocol revision need confirmation.

Workbook: Shopping list, row 24.
3$145.00$435.00Seeed Studio
ActuatorsRobStride 05 actuator
Purpose & fit checks

Five RobStride 05 actuators for smaller joints, including the ears. Public software still needs ear integration.

Workbook: Shopping list, row 25.
5$110.00$550.00Seeed Studio
WiringIgus CFBUS-020 CAN cable — per foot
Purpose & fit checks

10 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$69.01DigiKey
WiringM5 main-power ring terminals — TE 2-130171-1
Purpose & fit checks

Four 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$8.56DigiKey
WiringM6 ring terminals for disconnect
Purpose & fit checks

TE 165034, M6 ring, 12–10 AWG, for the disconnect. Two terminals. Branch distribution needs additional connections.

Workbook: Shopping list, row 28.
2$1.22$2.44DigiKey
ElectronicsXsens MTI-3-5A-DK complete development kit
Purpose & fit checks

Measures 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$550.00DigiKey
ElectronicsAdafruit 3369 Mini External USB Stereo Speaker
Purpose & fit checks

Robot sound output. Adafruit 3369 mini USB stereo speaker with its USB connection.

Workbook: Shopping list, row 30.
1$12.50$12.50DigiKey
ElectronicsStackpole CF14JT120R 120-ohm 0.25 W resistor
Purpose & fit checks

120-ohm CAN termination resistors, one per proposed far end. Final bus topology determines installation.

Workbook: Shopping list, row 31.
3$0.10$0.30DigiKey
ElectronicsSwitchcraft760 power barrel plug
Purpose & fit checks

Regulated-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$5.43DigiKey
ElectronicsAdafruit 5030 USB-C plug to USB-A socket adapter
Purpose & fit checks

Adafruit 5030 USB-C plug to USB-A socket data adapter for an onboard peripheral.

Workbook: Shopping list, row 33.
1$0.95$0.95DigiKey
PowerPololu D42V55F18 18V 4A regulator
Purpose & fit checks

Converts 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$54.34DigiKey
PowerLittelfuse 142.5631.5402 40A58V main fuse
Purpose & fit checks

Littelfuse 142.5631.5402 main fuse, 40 A, 58 V. Proposed rating, pending final wire/current coordination.

Workbook: Shopping list, row 35.
1$4.70$4.70DigiKey
PowerLittelfuse 04980921GXM5 main fuse holder
Purpose & fit checks

Littelfuse 04980921GXM5 holder for the main fuse. Includes the holder, not the complete power distribution harness.

Workbook: Shopping list, row 36.
1$9.35$9.35DigiKey
PowerLittelfuse 0FHM0003ZXJS inline branch fuse holder
Purpose & fit checks

Four Littelfuse 0FHM0003ZXJS branch fuse holders: three motor branches and one electronics branch.

Workbook: Shopping list, row 37.
4$6.39$25.56DigiKey
PowerLittelfuse 0997005.WXN 5A58V electronics fuse
Purpose & fit checks

Littelfuse 0997005.WXN, 5 A, 58 V electronics branch fuse. Proposed rating pending final design.

Workbook: Shopping list, row 38.
1$1.04$1.04DigiKey
PowerLittelfuse 0997015.WXN 15A58V motor branch fuse
Purpose & fit checks

Three Littelfuse 0997015.WXN, 15 A, 58 V motor branch fuses. Proposed ratings pending final design.

Workbook: Shopping list, row 39.
3$1.04$3.12DigiKey
ElectronicsNVIDIA Jetson Orin Nano Super Developer Kit 8 GB
Purpose & fit checks

Onboard 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$399.00B&H
PowerRYOBI OP4040408 40V 4Ah battery and fast charger kit
Purpose & fit checks

Candidate 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$199.00Home Depot
Mechanical & printedSolid foot-rubber sheet candidate
Purpose & fit checks

One 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$9.97Home Depot
PowerAlbright ED80 manual emergency disconnect
Purpose & fit checks

Albright ED80 manual emergency power disconnect. Mounting and complete power design still need verification.

Workbook: Shopping list, row 43.
1$48.50$48.50Tecknowledgey
Mechanical & printedAluminum head base plate (estimate)
Purpose & fit checks

Approx. 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$150.00Aqua Jet (candidate)
Mechanical & printedAluminum hip-roll connectors
Purpose & fit checks

Two custom 3D machined connectors. Separate from the flat head plate. Drawings and actual machining quote are outstanding.

Workbook: Shopping list, row 45.
2To price—Machine shop TBDSpecification / quote needed
Mechanical & printedPrinted structure and cosmetic parts
Purpose & fit checks

One 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.
1Excluded—Own printer
PowerRYOBI 40 V battery adapter (candidate)
Purpose & fit checks

Drive 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$10.99eBay · Drive and Fly RC
PowerCovered positive and negative common bus bars
Purpose & fit checks

Two 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$39.90Amazon.com
WiringFuse-holder input rings
Purpose & fit checks

Four 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$1.52DigiKey
WiringBranch negative-return rings
Purpose & fit checks

Four 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$1.64DigiKey
WiringFuse-output to branch-wire connectors
Purpose & fit checks

Four 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$2.48DigiKey
WiringMounting carriers for four branch connectors
Purpose & fit checks

Four 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$5.68DigiKey
PowerODrive regeneration clamp (conditional)
Purpose & fit checks

PWR-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$89.00ODrive US
PowerODrive S1 heat spreader for clamp
Purpose & fit checks

ACC-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$12.00ODrive Worldwide
WiringRS02 / RS05 combined motor tails — 10-pack
Purpose & fit checks

M5Stack 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$14.50DigiKey
WiringRS03 XT30 power connector packs
Purpose & fit checks

Each 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$9.98goBILDA
WiringRS03 JST GH CAN housings — backorder
Purpose & fit checks

Genuine 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$0.74DigiKey · backorder
WiringRS03 JST GH precrimped CAN leads
Purpose & fit checks

JST 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$3.76DigiKey
Mechanical & printedM2 / M2.5 / M3 / M4 brass standoff kit
Purpose & fit checks

One 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$34.99Amazon · eeeee_shop
Mechanical & printedMetric nylon-insert locknut assortment
Purpose & fit checks

One 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$6.59Amazon · ALLWIN-HD