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Board - MatekF405.md

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Board - MATEKSYS F405 family

Matek F405-AIO

Matek F405-CTR

Matek F405-STD

Matek F405-AIO (end-of-life)

Matek F405-OSD (end-of-life)

Firmware

Due to differences on the board (I2C - see below), there are two firmware variants:

Board Firmware
Matek F405-AIO, STD, CTR inav_x.y.z_MATEKF405.hex
inav_x.y.z_MATEKF405_SERVOS6.hex
Matek F405-OSD inav_x.y.z_MATEKF405OSD.hex

Hardware features

  • MCU: STM32F405RGT6, 168MHz
  • IMU: ICM-20602 (OSD, AIO, STD), MPU6000 (CTR)
  • OSD: BetaFlight OSD w/ AT7456E chip
  • Baro: BMP280 (STD, CTR)
  • Compass: No
  • Blackbox: MicroSD card slot
  • VCP, UART1, UART2, UART3, UART4, UART5
  • Built in inverter for SBUS input (UART2-RX)
  • PPM/UART Shared: UART2-RX
  • Battery Voltage Sensor
  • I2C SDA & SCL: Yes
  • LDO: 3.3V Max. 300mA
  • Current Sensor: Yes (AIO, CTR), otherwise FCHUB-6S option
  • Integrated Power Distribution Board: Yes (AIO, CTR), otherwise FCHUB-6S option
  • Integrated Voltage Regulator: 5V 2A & 9V 2A (AIO), 5V 2A (CTR), otherwise FCHUB-6S option
  • 6 PWM / DSHOT capable outputs (iNav does not implement DSHOT)
  • WS2812 Led Strip : Yes
  • Beeper: Yes
  • RSSI: Yes
  • Side-press button for BOOT(DFU) mode
  • Anti-vibration Standoffs

I2C

The F405-AIO, STD, CTR boards expose dedicated I2C pads. The F405-OSD does not expose I2C. For iNav there is a software I2C provision using the USART3 pads, as:

  • SDA => RX3, SCL => TX3
  • Do not assign any serial function to USART3

PWM and Servos

Due to the available hardware, please note:

Flying Wing

  • S1 : ESC
  • S2 : LEFT elevon
  • S3 : RIGHT elevon

Tricopter

  • S1 : Tail Servo
  • S2 : Motor 1
  • S3 : Motor 2
  • S4 : Motor 3

If you need servo connected to S6 pin while keeping motors on S1..S4 pins (e.g. camera tilt on quadcopter), please flash MATEKF405_SERVOS6 firmware.

I2C requires that the WS2812 led strip is moved to S5, thus WS2812 is not usable on hexcopter and similar.

Soft Serial

Soft serial is available as an alternative to a hardware UART on RX4/TX4 and TX2. By default this is NOT inverted. In order to use this feature:

  • Enable soft serial
  • Do not assign any function to hardware UART4 or UART2-TX
  • Assign the desired function to the soft-serial port

USB

This board uses STM32 VCP and does not use a UART when USB is connected. STM32 VCP drivers might be required on some operating systems.

Flashing requires DFU mode and STM32 DFU drivers. On Linux, the configurator or dfu-util work with a udev rule.

# DFU (Internal bootloader for STM32 MCUs)
SUBSYSTEM=="usb", ATTRS{idVendor}=="0483", ATTRS{idProduct}=="df11", MODE="0664", GROUP="plugdev"
ATTRS{idVendor}=="0483", ATTRS{idProduct}=="5740", ENV{ID_MM_DEVICE_IGNORE}="1"

On Windows, it may be necessary to use the Zadig tool to install the WinUSB driver.

Manufacturer

Matek Systems: http://www.mateksys.com/

Distributors

FAQ & Known Issues

Rcgroups Thread Matek F405: https://www.rcgroups.com/forums/showthread.php?2889298-MATEKSYS-Flight-Controller-F405-OSD-32K-Gyro-5xUARTs-SD-Slot

Rcgroups Thread Matek F405-AIO: https://www.rcgroups.com/forums/showthread.php?2912273-Matek-Flight-Controller-F405-AIO