Matek CAN-L4-3100 CAN Magnetometer



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    Domestic Shipping

    • Estimate Domestic delivery options can be calculated at the Shopping Cart.
    • Home delivery orders are delivered on weekdays by Australia Post.
    • 4 - 7 business days for delivery to metro locations.
    • 7 - 10 business days to regional locations including WA, QLD and NT.
    • This delivery time frame is subject to changes in circumstances.
    • All orders dispatched within 2 to 3 business days.
    • See the Delivery Policy for details on shipping methods, costs and delivery times.

    International Shipping

    • Estimate International delivery options can be calculated at the Shopping Cart.
    • International Orders will be shipped via Australia Post.
    • Any customs or import duties and associate fees may impose on your destination country.

    Returns And Exchanges

    • Replacemnet warranty only cover for items that are Dead On Arrival (DOA).
    • 7 days return policy for all unopened items.
    • See conditions and procedure in our Returns Policy.
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The CAN-L4-3100 is a professional grade CAN Magnetometer based on RM3100 and ArudPilot AP_Periph firmware. This RM3100 sensor technology provides high resolution, low power consumption, large signal noise immunity, a large dynamic range, and high sampling rates.


  • CAN-L4-3100 is pre-installed with “MatekL431-GPS” firmware.
  • MSP feature is disabled in “MatekL431-GPS”.   If you want to use MSP feature,  reflash it with “MatekL431-Periph” firmware(AP_Periph_with_bl.hex) over SWC/SWD pads via ST-LINK.
  • Put magnetometer far from power lines/ESC/motors/iron based material. >=10cm
  • 2 ears for mounting can be cut off if you don’t need it.
  • If the CAN wires are too long, bridge the “120R” jumper.

CAN Magnetometer

  • PNI RM3100 Geomagnetic Sensor
  • CAN node MCU: STM32L431xC, 256KB Flash
  • Interface
    • CAN, DroneCAN Protocol
    • UART2, MSP output (MatekL431-Periph fw)
    • UART3, for external GNSS module
    • ST debug, SWCLK & SWDIO
  • LED
    • Blue, Fast blinking,  Booting
    • Blue, Slow blinking, working
    • Red, 3.3V indicator
  • Power supply for CAN-L4-3100 board : 4.5~5.5V  @5V pad/pin
  • Power consumption: 22mA
  • Operating Temperatures: -40~85 °C
  • Firmware
    • ArduPilot AP_Periph: MatekL431-GPS  or MatekL431-Periph
    • Update via DroneCAN GUI Tool or Mission Planner (AP_Periph.bin)
    • Update via STLink (AP_Periph_with_bl.hex)
  • Parameters
    • CAN_P1_DRIVER = 1 if attached to CAN bus1 port or CAN_P2_DRIVER = 1 if attached to CAN bus2 port


  • 1 x CAN-L4-3100 board
  • 1 x JST-GH-4P to JST-GH-4P 20cm silicon wire

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Matek CAN-L4-3100 CAN Magnetometer


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