Financials
Summary
- Cost of purchased items: $236.54
- Sub total: $209.37
- Shipping and tax: $27.17
- Cost of donated items: $68.62
- Final cost (purchased & donated): $305.16
Free or donated items
| Item | Quantity | Individual Price | Total Price |
|---|---|---|---|
| Samsung 25R 18650 cells | 4 | 6.99 | 27.96 |
| Standard servo motors | 2 | 7.99 | 15.98 |
| M4 x 0.7 mm, 18mm long | 4 | 0.12 | 0.48 |
| M4 x 0.7 mm, nut | 4 | 0.01 | 0.04 |
| M3 x 0.5 mm, 8mm long | 8 | 0.05 | 0.4 |
| M3 x 0.5 mm, nut | 8 | 0.01 | 0.08 |
| M6 steel washer | 16 | 0.04 | 0.64 |
| PLA filament | 400 g or 0.4 of a roll | 20.69 | 8.23 |
| MDF ⅛” board | 12” by 24” | 2.73 | |
| Plywood ¼” board | 1.04 | ||
| ⅛” metal pins | 2 | 0.01 | 0.02 |
| Paperclip | 3 | 0.01 | 0.03 |
| Hiletgo | 1 | 10.99 | 10.99 |
| Superglue | 0 | 0 | |
| Wood glue | 0 | 0 |
Purchased Items
| Item | Quantity | Individual Price | Total Price |
|---|---|---|---|
| Pololu DC Metal Gearmotor | 2 | 24.95 | 49.90 |
| Adafruit 16 Channel PWM Servo Driver | 1 | 14.95 | 14.95 |
| Micro Servo | 5 | 49.75 | |
| 4 ohm Speaker | 1 | 4.95 | 4.95 |
| Adafruit Mono Class D Audio Amplifier | 1 | 3.95 | 3.95 |
| Adafruit Metro ESP32-S2 | 1 | 19.95 | 19.95 |
| Electret Microphone Amplifier | 1 | 7.95 | 7.95 |
| L298N Motor driver controller board | 1 | 7.99 | 7.99 |
| Tank Treads Tracks with Gear | 1 | 29.00 | 29.00 |
| 18650 Battery Case | 1 | 9.99 | 9.99 |
| 12V buck converter | 1 | 10.99 | 10.99 |
| Paperclip | 3 | 0.01 | 0.03 |
| Hiletgo | 1 | 10.99 | 10.99 |
| Superglue | 0 | 0 | |
| Wood glue | 0 | 0 |
Shipping and Tax
| Vendor | Shipping cost | Tax | Total Shipping + Tax |
|---|---|---|---|
| Adafruit | 9.03 | 5.85 | 14.88 |
| Adafruit | 5.05 | 0.5 | 5.55 |
| Amazon | 0 | 0.62 | 0.62 |
| Amazon | 0 | 2.31 | 2.31 |
| Amazon | 0 | 0.69 | 0.69 |
| Pololu | 0.00 | 3.12 | 3.12 |
| Electret Microphone Amplifier | 1 | 7.95 | 7.95 |
| L298N Motor driver controller board | 1 | 7.99 | 7.99 |
| Tank Treads Tracks with Gear | 1 | 29.00 | 29.00 |
| 18650 Battery Case | 1 | 9.99 | 9.99 |
| 12V buck converter | 1 | 10.99 | 10.99 |
| Paperclip | 3 | 0.01 | 0.03 |
| Hiletgo | 1 | 10.99 | 10.99 |
| Superglue | 0 | 0 | |
| Wood glue | 0 | 0 |