| Main components | Materials and costs list | |||
| Part number | Supplier | Cost (USD) | ||
| Microcontroller board NIR sensor board Stepper motor Motor driver Rechargeable battery 12 V battery Miscellaneous | Feather M0 Adalogger AS7263 NEMA-17 NBF-32002 5 V LiPoly, 5000 mAh | Adafruit Industries Sparkfun Electronics Adafruit Industries Adafruit Industries Adafruit Industries | 20 26 14 5 10 10 6 Total: 91 | |