Matek M8Q UAVCAN/MSP GPS/MAG/BARO

Based on ArudPilots’ AP_Pheriph firmware, the Matek M8Q is a GPS+COMPASS+BAROMETER peripheral with CAN/UAVCAN and MSP interfaces to the autopilot, plus an I2C expansion bus for additional peripherals, such as airspeed sensors.

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Features

ArduPilot AP_Periph F303 CAN node integrating:
  • GPS SAM-M8Q (GPS, GLONASS, Galileo)
  • Magnetic Compass QMC5883L
  • Barometer DPS310
  • CAN bootloader LED, Blue
    • Fast blinking, No communication between CAN node and Flight Controllers
    • Slow blinking, Communicating between CAN node and Flight Controllers
  • GPS PPS LED, Green
    • Blinking(1Hz) when GPS has 3D fixed
  • Boot button
Interfaces:
  • CAN,/UAVCAN Connection to autopilot
  • I2C JST-GH connector, external AirSpeed sensor
  • UART for alternate connection to autopilot via MSP
  • JST-GH connectors
Specifications:
  • Input voltage range: 4~6V
  • Power consumption: 100mA
  • Operating Temperatures: -20~80 °C
  • Size: 29mm*29mm*9.7mm
  • Weight:11.3g

Wiring

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Setup

UAVCAN

if Airspeed sensor is connected to I2C port,

The default airspeed sensor is expected to be a “DLVR-L10D” type , if not then you must use the SL-CAN interface to set and type in the internal firmware. In Mission Planner go to Setup > Optional Hardware > UAVCAN > SLCan Mode CAN1 > Parameters

if using an:

  • MS4525 set ARSP_TYPE -> 1,
  • MS5525 set ARSP_TYPE -> 5 (note: only an MS5525 with address 0x77 can be used to avoid conflict with DPS310 barometer.)
  • SDP3X set ARSP_TYPE -> 6
  • DLVR-L10D set ARSP_TYPE -> 9
  • the Write, and reboot

MSP

  • SERIALx_PROTOCOL = 32 (MSP) where x is the SERIAL port used for connection on autopilot
  • GPS_TYPE = 19 (MSP)
  • GND_PROBE_EXT = 4096 (MSP Baro)
  • GND_PRIMARY = 1 (If you want to use MSP baro as primary baro, otherwise leave as default)
  • COMPASS_TYPEMASK = 0 (or make sure MSP bit is not checked)

MSP Firmware Update

Prior to September 2020, MSP connection was not supported. However, you may update to the new firmware by following the guide here.

Where to Buy

Matek M8Q-CAN