| (Qty) Component | Part number | Source | Unit cost US$ | Total cost US$ | ||
| (1) Microcontroller board | Feather M0 BLE | Adafruit Industries | 30 | 30 | ||
| (1) GPS board | Ultimate GPS FeatherWing | Adafruit Industries | 40 | 40 | ||
| (1) SD card board | Adalogger FeatherWing | Adafruit Industries | 8 | 8 | ||
| (4) IRT sensors | MLX90614ESF-ACF | Mouser Electronics | 27 | 108 | ||
| (4) Ultrasonic sensors | HC-SR04 | LowPowerLab | 5 | 20 | ||
| (1) Voltage level converter | Logic Level Converter | Adafruit Industries | 4 | 4 | ||
| (1) 5V boost regulator | Miniboost | LowPowerLab | 7 | 7 | ||
| (1) Rechargeable battery | 3.7V LiPo, 1200 mAh | Adafruit Industries | 10 | 10 | ||
| (5) Weatherproof enclosures | NBF-32002 | Mouser Electronics | 9 | 45 | ||
| Miscellaneous (protoboard, headers, cable) |
|
| 20 | |||
| Total |
|
|
| 292 | ||