Matek GPS & Compass M8Q-CAN, UAVCAN

Matek GPS & Compass M8Q-CAN, UAVCAN
Matek GPS & Compass M8Q-CAN, UAVCAN Matek GPS & Compass M8Q-CAN, UAVCAN Matek GPS & Compass M8Q-CAN, UAVCAN
Brand: Matek
Product Code: GPS M8Q-CAN
Availability: In Stock
Price: USD$39.99
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This GPS was designed around ArduPilot supporting UAVCAN bus such as the Matek H743 Wing. It has onboard SAM-M8Q, compass, and barometer.

Specifications:

  • ArduPilot AP_Periph F303 CAN node
  • GPS SAM-M8Q (GPS, GLONASS, Galileo)
  • Magnetic Compass QMC5883L
  • Barometer DPS310
     
  • UART1, Firmware update
  • UART2, onboard GPS
  • UART3, MSP Protocol (To be supported)
  • CAN, UAVCAN Protocol
  • I2C, onboard QMC5883L & DPS310
  • I2C JST-GH connector, external AirSpeed sensor
     
  • 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
     
  • Input voltage range: 4~6V
  • Power consumption: 100mA
  • Operating Temperatures: -20~80 °C
     
  • 29mm*29mm*9.7mm
  • 11.3g

Includes:

  • 1x M8Q-CAN
  • 2x JST-GH-4P to JST-GH-4P 20cm silicon wire

Tips:

  • u-blox M8Q series has no external flash memory
  • Compass Alignment(Arrow forward and flat mounting):
  • Ardupilot/Mission Planner: Rotation None
  • Make sure to have compass/magnetometer 10cm away from power lines/ESC/motors/iron based material
  • The scratches on ceramic antenna are the result of tuning the antenna by ublox.
  • UART3 MSP Protocol is not implemented for now.

Firmware updates here

Pinout & Pads:

GH-4P Pin Signal Wires color   Pads Signal
5V 4~6V input Red   3V3 onboard LDO output
C-H CAN high Yellow   5V 4~7V input
C-L CAN low Blue   G GND
G GND Black   Tx1 UART1-TX
        Rx1 UART1-RX
5V 4~6V input Red   Rs F303 NRST
SCL I2C-SCL Yellow   C F303 SWCLK
SDA I2C-SDA Blue   G GND
G GND Black   D F303 SWDIO
        3 onboard LDO output 3.3V
5V 4~6V input Red      
Tx3 UART3-TX Yellow      
Rx3 UART3-RX Blue      
G GND Black   Boot button Bridge Boot to 3.3V


Wiring and AP Parameters:

CAN   I2C
M8Q-CAN Flight Controller   M8Q-CAN I2C Airspeed sensor
5V 5V   5V or 3V3 check AirSpeed sensor voltage spec.
C-H CAN High   SCL SCL
C-L CAN Low   SDA SDA
G GND   G GND
         
CAN_D1_PROTOCOL 1      
CAN_P1_DRIVER 1      
GPS_TYPE 9 (UAVCAN)   ARSPD_TYPE 8 (UAVCAN)
COMPASS_TYPEMASK 0 (make sure UAVCAN Unchecked)   ARSPD_USE

1


*** You must set CAN Node parameters for airspeed sensor connected to I2C port of M8Q-CAN ***

Mission Planner > Initial Setup > Optional Hardware > UAVCAN >  SLCan Mode CAN1  > Parameters

  • MS4525   ARSP_TYPE -> 4
  • MS5525   ARSP_TYPE -> 3
  • SDP3X     ARSP_TYPE -> 6
  • DLVR-L10D    ARSP_TYPE -> 9 (default in hwdef)
  • Write and reboot

MSP Parameters:

ArduPilot (latest firmware after Sep.09)

  • 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   (make sure MSP bit is not checked)

INAV  (since 2.6)

  • In ports tab, Enable MSP on corresponding UART that M8Q-CAN connected
  • feature GPS
  • set gps_provider = MSP
  • set mag_hardware = MSP
  • set baro_hardware = MSP

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