Table 2.
RT Box card bill of materials summary (continued).
| Designator | Component | Number | Cost per | Total | Digikey | Material | ||
|---|---|---|---|---|---|---|---|---|
| unit | cost | part | type | |||||
| USD | USD | number | ||||||
| Z5.1 | Zener Diode, 5.1 V, 500 mW | 1 | 0.09 | 0.09 | 2156-1N5, 993D-ND | |||
| DIGITAL_PORT | 37-pin D-Sub, Stacked | 1 | 10.73 | 10.73 | AE109, 67-ND | |||
| ANALOG_PORT | 37-pin D-Sub, Male | 1 | 1.45 | 1.45 | AE109, 88-ND | |||
| D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15, D16 | DIODE, ARRAY, SCHOTTKY 30 V | 16 | 0.22 | 0.22 | 2156-BAT, 54S-ND | |||
| BOARD1, BOARD2, BOARD3, BOARD4, BOARD5, BOARD6, BOARD7, BOARD8, BOARD9 | ESP32, WROOM, DEVKIT, V1 30 pin | 9 | 10 | 90 | ||||
| FUSE | Fuse glass, 2.5 A | 1 | 1.76 | 1.76 | 283–50, 72-ND | |||
| FT232BL | RS232-USB | 1 | 5.90 | 5.90 | FT232BL | |||
| MCP2515 Can Bus Interface Module | 9 | 5.95 | 53.55 | |||||
| Raspberry pi 4B - 8gb | 1 | 75.00 | 75.00 |