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Matek Digital AirSpeed Sensor (ASPD-DLVR, CAN, I2C & UAVCAN)


The Matek Digital airspeed sensor (UAVCAN/DLVR version) is a DLVR-10 sensor with a CAN/UAVCAN or I2C interface. It is designed specifically around ArduPilot and their flight controllers supporting UAVCAN bus such as the Matek H743 Wing. The DLVR airspeed sensors are the highest precision, lowest temperature drift sensors currently supported in ArduPilot. It can also be used to attach a GPS and/or Compass and present them to the autopilot as UAVCAN peripherals.

Matek also sell a more simpler version for use with INAV, see HERE.


  • ArduPilot AP_Periph F303 CAN node
  • All sensors DLVR-L10D, Industrial temperature range
  • CAN & I2C Interface
  • Typical Platforms: Fixed-Wing, QuadPlane, VTOL
  • CAN JST-GH connector, UAVCAN Protocol
  • I2C JST-GH connector, DLVR-L10D I2C mode (I2C address 0x28)
  • UART1, Firmware update
  • UART2, Spare for external GPS
  • UART3, MSP Protocol (To be supported)
  • CAN bootloader LED, Blue
    • Fast blinking, No communication between CAN node and Flight Controllers
    • Slow blinking, Communicating between CAN node and Flight Controllers


  • CAN JST-GH connector, UAVCAN Protocol
  • I2C JST-GH connector, for interfacing DLVR-L10D in I2C mode (I2C address 0x28)
  • Solder pads for UART1, Firmware update for non-CAN systems
  • Solder pads for UART2, Optional for external GPS
  • Solder pads for UART3, Future expansion for MSP Protocol
  • Solder pads for I2C and CAN,for optional Compass and CAN daisy-chaining

Ardupilot Wiki Info

  • 3.3V Power LED, Red
  • Input voltage range: 4~6V
  • Power consumption: 60mA
  • Operating Temperatures: -20°C to 85°C
  • Pressure Range: 2500Pa (± 10 inH2O)
  • Burst Pressure: 75kPa
  • Speed Range: ±250 km/h
  • Size: 22mmx22mmx12.5mm
  • Weight: 4g


  • Matek Digital Airspeed Sensor ASPD-DLVR with Pitot Tube
  • 2x JST-GH-4P to JST-GH-4P 20cm silicon wire

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