This folder contains the full Bill of Materials for the project.
For the original spreadsheet, which contains more detailed descriptions for each part, see Robot_BOM.xlsx.
| Part |
Description |
Qty |
Unit Cost |
Total (w/ Tax) |
| STS3250 50kg-cm TTL Dual-shaft |
High-torque smart servo for hip, knee, and shoulder joints. |
14 |
$65.81 |
$1,041.11 |
| STS3235 30kg-cm TTL Dual-shaft |
Medium-torque smart servo for arm and neck joints. |
6 |
$57.86 |
$392.29 |
| 8mm Round Servo Shaft |
Shaft adapter for belt-driven joint transmission (15% Discount from GoBilda Applied). |
6 |
$9.99 |
$67.73 |
| HTD 3M 18T Timing Pulley |
Driving pulley in belt reduction stage. |
8 |
$3.02 |
$27.30 |
| HTD 3M 30T Timing Pulley |
Driven pulley for torque amplification. |
4 |
$6.79 |
$30.69 |
| Screw Kit (M1.6–M3) |
Assorted fasteners for structural assembly. |
1 |
$11.80 |
$13.33 |
| 8mm ID / 11mm OD Washers |
Shim washers to control axial play (15% Discount from GoBilda Applied). |
3 |
$2.69 |
$9.12 |
| MR148ZZ Bearings |
Radial bearings for joint rotation. |
1 |
$18.95 |
$21.41 |
| Spring Pins |
Mechanical locking pins for shafts. |
1 |
$10.19 |
$11.51 |
| TPU Filament |
Flexible filament for compliant parts. |
1 |
$29.99 |
$33.89 |
| PLA Filament |
Rigid filament for structural 3D prints. |
3 |
$25.99 |
$88.11 |
| Loctite 638 |
High-strength retaining compound. |
1 |
$24.00 |
$27.12 |
| Mechanical Subtotal |
|
|
|
$1,763.61 |
| Part |
Description |
Qty |
Unit Cost |
Total (w/ Tax) |
| 3S LiPo 8400mAh |
Main power source for servos and compute. |
1 |
$99.99 |
$112.99 |
| Custom PCB (JLCPCB) |
Power distribution and communication board. |
1 |
$283.00 |
$319.79 |
| PCB SMD and THT components |
all components required for PCB. |
1 |
$85.00 |
$96.05 |
| Male to Male DC Power Cable |
A power cable for the Jetson that connects to the PCB. |
1 |
$10.39 |
$11.74 |
| 14 Gauge Wire |
14 Gauge wire for power distribution |
1 |
$22.07 |
$24.94 |
| 22 Gauge Wire |
22 Gauge wire for branching power and signal distribution |
1 |
$15.89 |
$17.96 |
| Electrical Subtotal |
|
|
|
$583.47 |
| Part |
Description |
Qty |
Unit Cost |
Total (w/ Tax) |
| Jetson Orin Nano |
Main compute for perception, control, and RL. |
1 |
$344.95 |
$389.79 |
| OAK-D Lite |
Stereo depth camera for perception (30% Discount from Luxonis applied). |
1 |
$162.00 |
$183.06 |
| KingSpec 256GB NVMe SSD |
Storage for models, logs, and datasets. |
1 |
$32.99 |
$37.28 |
| Computing Subtotal |
|
|
|
$610.13 |
| Category |
Total (w/ Tax) |
| Mechanical |
$1,763.61 |
| Electrical |
$583.47 |
| Software & Computing |
$610.13 |
| Grand Total |
$2,957.21 |