We're working on this page! An updated BOM will be added soon.
Please note: Prices are listed in USD and are subject to change based on market value and availability.
| Parts | Function | Cost | URL |
|---|---|---|---|
| Boron LTE CAT-M1 (NorAm) with EtherSIM (BRN404X) | Microcontroller, cell modem, power management | $65.31 | https://www.digikey.com/en/products/detail/particle-industries-inc/BRN404X/17632424 |
| Antenna (included in above) | Cellular communications | ||
| MB7092 XL-MaxSonar-WRMA1 | Distance sensor | $99.95 | https://www.adafruit.com/product/1137 |
| Adalogger FeatherWing - RTC + SD Add-on For All Feather Boards | Data storage board | $8.95 | https://www.adafruit.com/product/2922 |
| Stacking header pins for FeatherWing | Stack Boron on FeatherWing | $1.95 | https://www.adafruit.com/product/2940 |
| ML-24F Outdoor NEMA Enclosure | Enclosure | $14.24 | https://www.polycase.com/ml-24f |
| FormLabs Clear Resin V4 | Chassis to secure internal parts using | $150 per L | https://formlabs.com/store/materials/clear-resin-v4/ |
| Rounded Head Thread-Forming Screws for Brittle Plastic, 18-8 Stainless Steel, #4-24 1/4" long | Mounting chassis to Polycase | $5.29 per 100; $0.2116 per 4 | https://www.mcmaster.com/97349A415/ |
| 18-8 Stainless Steel Socket Head Screw M2.5x0.45mm Thread, 18mm long | Mounting Boron + FeatherWing and antenna frame to chassis | $15.75 per 50; $1.26 per 4 | https://www.mcmaster.com/91292A028/ |
| 18-8 Stainless Steel Hex Nut M2.5x0.45mm Thread, 2mm height | Receive chassis screws | $6.45 per 100; $0.258 per 4 | https://www.mcmaster.com/91828A113/ |
| SD/MicroSD Memory Card (8 GB SDHC) | Data storage | $9.95 | https://www.adafruit.com/product/1294 |
| 3-pin cable | Power, ground, and analog signal to/from sonar | $0.95 | https://www.adafruit.com/product/4721 |
| 5 Watt 5 Volt 35Wh Solar System | Solar charging | $99.00 | https://voltaicsystems.com/5-watt-5-volt-35wh-solar-system/ |
| USB A to Micro-B cable | Splice to solar panel power for Boron USB connection | $2.95 | https://www.adafruit.com/product/592 |
| Cable gland for 0.08"-0.24" Cord OD | Waterproof cable entry | $2.45 | https://www.digikey.com/en/products/detail/lapp/S2209/11200603 |
| 1/2" x 520" PTFE pipe tape | Tape threads on distance sensor | $1.68 per roll | https://www.homedepot.com/p/William-H-Harvey-Company-1-2-in-x-520-in-White-PTFE-Tape-177333/100025685 |
| Loctite Epoxy Marine | Glue hex nuts to chassis, seal holes | $5.88 per 25 mL | https://www.loctiteproducts.com/products/central-pdp.html/loctite-epoxy-marine/SAP_0201OIL029V5.html |
| Cell plan (for now: Particle's Free Plan) | Cloud data management | $0.00 | [INSERT LINK] |
| Approx. cost per sensor unit | ~312 USD |
Adafruit wishlist: http://www.adafruit.com/wishlists/589193 Digi-Key wishlist: https://www.digikey.com/en/mylists/list/3G4W9NENB6 Please note: These wishlists may need to be udpated as design changes progress.