Draft BOM

3.8.2020

• BLE: Nordic Semiconductor nRF52840

  • Options:

    • n52840 standalone

    • uBlox NINA-B30x integrated module

• LoRa/GPS/WiFI: Semtech LR1110

• GPS: uBlox M8G

• Antenna:

  • BLE/WiFi combined

  • RF things LoRa antenna suitable for Lacuna

  • VHF antenna port

  • GPS ceramic patch tuned antenna

    • Taoglas or Maxtena

• Sensors:

  • 3D Accelerometer: LIS2DW12

  • 6D IMU Accelerometer + Gyro: LSM6DSL

  • 6D eCompass: LSM303AGR

  • Microphone:

    • Analog: MP23ABS1

    • Digital: SPK0415HM4H

  • Water detect switch

• Real-time data storage:

  • QSPI NOR flash

• ML raw data storage:

  • WD Edge microSD storage SDSDQAB-016G