Table 3.
Bill of materials required to assemble a tree response sensor (TRS).
| ID | Component | Quantity | Unit | Total (€) | Material type |
|---|---|---|---|---|---|
| TMS01 | D1 Mini - ESP8266 | 1 | 4.86 | 4.86 | Electronics |
| TMS02 | GY-9250 module | 1 | 6.34 | 6.34 | Electronics |
| TMS03 | Wire red 0.14 mm2 | 0.04 m | 0.01 | 0.04 | Non-specific |
| TMS04 | Wire black 0.14 mm2 | 0.03 m | 0.01 | 0.04 | Non-specific |
| TMS05 | Wire green 0.14 mm2 | 0.02 m | 0.01 | 0.03 | Non-specific |
| TMS06 | Wire white 0.14 mm2 | 0.02 m | 0.01 | 0.03 | Non-specific |
| TMS08 | Twin-stranded wire 0.14 mm2 | 0.15 m | 0.02 | 0.03 | Non-specific |
| TMS09 | Micro USB plug type B | 1 | 0.85 | 0.85 | Non-specific |
| TMS10 | LED green 3 mm | 1 | 0.10 | 0.10 | Electronics |
| TMS11 | Heat-shrink 2.4 mm | 0.04 m | 0.01 | 0.04 | Non-specific |
| TMS12 | Foam | 0.035 m | 0.01 | 0.03 | Non-specific |
| TMS13 | Screw M3 × 22 mm | 1 | 0.69 | 0.69 | Metal |
| TMS14 | Screw M3 × 14 mm | 1 | 0.15 | 0.15 | Metal |
| TMS15 | Nut M3 | 2 | 0.04 | 0.08 | Metal |
| TMS16 | Washer M3 | 3 | 0.04 | 0.12 | Metal |
| TMS17 | ABS filament white (Part_1 to Part_6) | 6.67 m | 0.15 | 1.00 | ABS |
| TMS18 | ABS filament transparent (Part_7) | 0.16 m | 0.13 | 0.02 | ABS |
| TMS19 | Mibenco® liquid rubber white | 2 g | 0.08 | 0.16 | Polymer |
| Grand total | 14.61 € | ||||