MATEKSYS AP Periph Adapter Node - CAN-G474

The MATEKSYS CAN-G474 enhances drone communication with its high-speed 5 Mbit/s CAN transceiver and STM32G474 MCU, built on ArduPilot's AP_Periph firmware. It supports seamless integration of ArduPilot peripherals like GNSS, Compass, Barometer, and Rangefinders into DroneCAN systems, as well as GPIO-based devices such as PWM and LED notify modules, offering a simple solution for expanding drone functionality.

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Features

• ArduPilot Driver Library Compatibility
  
• ArduPilot AP_Periph Firmware
  
• 5 Mbit/s CAN Transceiver
  
• STM32G474 MCU
  
• CANFD Capability

Specifications

• UART1 (TX1, RX1): supports firmware updates in DFU mode
  
• ST debug: SWC & SWD (on the bottom side)
  
• CAN transceiver: Data rates up to 5 Mbit/s
  
• Input voltage range: 4.55.5V @5V pad/pin
  
• MCU: STM32G474CE, 512KB Flash
  
• Operating temperature: -3085°C
  
• Power consumption: 62mA
  
• CAN bus: 2x
  
• UARTs: 4X
  
  • Supports GNSS, Compass, and Barometer sensors over MSP protocol. MSP is enabled on TX3 by default
    
  • For peripheral GNSS, Rangefinder, Proximity, EFI, RC input (receiver)
    
• SPI: 1x
  
  • SPI pads for RM3100 are on the bottom side, with “CS, MOSI, MISO, SCK” silk print
    
  • For peripheral RM3100
    
• I2C bus: 2x
  
  • For peripheral I2C Airspeed sensor, Barometer, Compass
    
• PWM outputs: 11x
  
  • For Servos and ESC; all PWMs support DMA/DShot
    
  • PWM11 pad is on the bottom side, with an “11” silkprint
    
  • PWM1-10 on DuPont 2.54mm holes

PHYSICAL

• 5x JST-GH-4P (SM04B-GHS-TB): CAN1, CAN2, I2C1, UART1, and UART4
  
• 1x JST-GH-6P (SM06B-GHS-TB):UART3 + I2C2
  
• Board size: 36mm x 36mm x 6mm, 5.2g
  
• Mounting: 30.5mm, 4x Dia. 3mm
  
• Holes: 18x DuPont 2.54mm hole 

LED

• Blue, Slow blinking: Communicating with the flight controller
  
• Blue, Fast blinking: Booting
  
• Red: 3.3V indicator

ArduPilot AP_Periph Manual for peripheral Sensors
ArduPilot AP_Periph Manual for DroneCAN Output

Includes

• 1x MATEKSYS AP Periph Adapter Node - CAN-G474
  
• 2x JST-GH-4P to JST-GH-4P 20cm silicon wire
  
• 1x JST-GH-6P to JST-GH-6P 20cm silicon wire

Wiring Diagram