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PCB component list.
| Component | Board | Number | Unit cost (NZD) | Total cost (NZD) |
|---|---|---|---|---|
| Contact spring | B1, B2 | 7 | $ 0.50 | $3.50 |
| 2 Pos connector header | B1 | 1 | $ 0.48 | $0.48 |
| 3 Pos connector header | B1, B2 | 2 | $ 0.69 | $1.38 |
| 10 kΩresistor | B1 | 1 | $ 0.27 | $0.27 |
| 8 VN-Channel mosfet | B1 | 1 | $ 0.53 | $0.53 |
| Linear voltage regulator | B2 | 1 | $ 1.15 | $1.15 |
| 0.1 µFcapacitor | B2 | 3 | $ 0.10 | $0.30 |
| ATTiny 441 IC MCU | B2 | 1 | $ 1.36 | $1.36 |
| 6 Pos connector header | B2 | 1 | $ 0.69 | $0.69 |
