Sentinel Specification Sheet

Note this product is still in beta and should only be used for research purposes.

Description

• Attach to any trail camera with a standard SD card slot.

• Run powerful customized on-board AI-models

• Get insights out from anywhere with customizable, modular comms (satellite, cellular, LoRa)

• Long Battery Life enabled by low-power sleep mode

Technical Specifications

Performance

• Customizable Wakeup Periods

  • Immediate processing

  • File Count

  • Set Periods (6 hours, 24 hours, 3 days etc.)

• Battery Life

  • ~65-100 processing cycles per battery (i.e. 65 cycles*2 batteries / (24hrs in a day / 6 hour wake cycles) = 32.5 days

• Models

  • TensorFlow Lite Models (ideally compilable for Google TPU)

  • Known support for

    • YoloV5 models (including Megadetector v5)

    • EfficientDet

    • MobileNet

    • ResNet

    • FOMO (Edge Impulse)

• Supported Cameras

  • Any camera with a standard SD card slot (ideally not cellular cameras)

• Operating Temperature

  • UNKNOWN

• External Memory

  • MicroUSB (up to XXX GB)

  • USB (up to XXX GB)

• Power

  • Sleep: <1mA

  • On: 600mA-1A

  • Peak (for microseconds): 3A

Electronics

• Google Coral SoM

  • NXP i.MX 8M SoC (quad Cortex-A53, Cortex-M4F)

    • 8GB eMCC

  • Google Edge TPU coprocessor 4 TOPS (int8); 2 TOPS per watt

• Microchip SAM D21E

• Spypoint Cell-Link Cable

  • 512MB 2-way SD Card/USB Cable

• Communication

  • Wi-Fi 2x2 MIMO (802.11b/g/n/ac 2.4/5GHz)

  • (optional) Swarm M138

  • (optional) Blues Wireless Notecard with External SIM slot

  • (optional) RFM95W LoRa Module

• Power

  • (preferred) 2x 18650 Battery Slots

  • (optional) 5x 18650 Battery Slots

  • (optional) External Solar Battery Pack (note this would replace all 18650 batteries)

  • JST Connector

  • MicroUSB