> For the complete documentation index, see [llms.txt](https://docs.premium-modellbau.de/premium-modellbau-portal-fuer-anleitungen/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.premium-modellbau.de/premium-modellbau-portal-fuer-anleitungen/matek/matek-systems-ubersicht/matek-flightcontroller/f405-wmn.md). # F405-WMN ## Link zum Premium-Modellbau Shop {% embed url="" %} Matek F405-WMN Flightcontroller F405 Ardupilot, INAV im Premium-Modellbau Shop {% endembed %} ### Matek F405-WMN Flightcontroller F405 Ardupilot, INAV **Montage und Inbetriebnahme:** Bitte beachten Sie unbedingt den angegebenen Spannungsbereich für das jeweilige Board. Eine zu hohe Spannung wird die angeschlossenen Komponenten beschädigen. Achten Sie beim Anschluss der Kabel am Akku immer auf korrekte Polung (und isolieren Sie die Leitungen entsprechend mit Schrumpfschlauch. **Specifications** **FC Specifications** * MCU: STM32F405RGT6, 168MHz , 1MB Flash * IMU: ICM42688-P * Baro: SPL06-001 * OSD: AT7456E * Blackbox: 16M Flash * 5x UARTs, 1x Softserial\_Tx option(INAV) * 12x PWM outputs * 1x I2C * 3x ADC (VBAT, Current, RSSI) * 1x spare PINIO * USB/Beep Extender with Type-C(USB2.0) * Built in inverter on UART2-RX for SBUS input * Switchable Dual Camera Inputs **Power** * 6\~30V DC IN (2\~6S [LiPo](https://www.premium-modellbau.de/lexikon-lipo-akku/)) * 132A Current Sense (INAV Scale 250, ArduPilot 40A/V) * PDB/Current sense resistor: 90A continuous, 132A burst. * BEC 5V 1.5A for FC & Peripherals * BEC Vx 5A for servos, 5V/ 6V option * Vbat for VTX and camera * LDO 3.3V 200mA * Battery Voltage Sensor: 1k:20k **FC Firmware** * ArduPilot: MatekF405-TE * INAV: MATEKF405TE (INAV 5.0 or newer) **Physical** * Dimensions: 31 x 26 x 16.5 mm * Mounting: 22 x 22mm, Φ2mm * Weight: 10g **Including** * 1x F405-WMN * 1x USB(Type-C)/Beep (Passive buzzer) Extender + 20cm JST-SH-6P to JST-SH-6P cable for USB extender. * Dupont 2.54 pins **(Board is shipped unsoldered)** | | INAV MultiRotor | INAV Plane | | | | | ------------------------------ | ----------------------------------------------- | --------------------------------------- | ---------------------------------- | ------------------------------------ | ----- | | PWM | S1 | 5 V tolerant I/O | TIM8\_CH4 | Motor | Motor | | S2 | 5 V tolerant I/O | TIM8\_CH3 | Motor | Motor | | | S3 | 5 V tolerant I/O | TIM1\_CH3N | Motor | Servo | | | S4 | 5 V tolerant I/O | TIM1\_CH1 | Motor | Servo | | | S5 | 5 V tolerant I/O | TIM2\_CH4 | Motor | Servo | | | S6 | 5 V tolerant I/O | TIM2\_CH3 | Motor | Servo | | | S7 | 5 V tolerant I/O | TIM2\_CH2 | Motor | Servo | | | S8 | 5 V tolerant I/O | TIM2\_CH1 | Motor | Servo | | | S9 | 5 V tolerant I/O | TIM12\_CH1 | Servo | Servo | | | S10 | 5 V tolerant I/O | TIM13\_CH1 | Servo | Servo | | | S11 | 5 V tolerant I/O | TIM4\_CH1 | Servo | Servo | | | LED | 5 V tolerant I/O | TIM3\_CH4 | 2812LED | 2812LED | | | | | | | | | | ADC | Vbat Pad |

1K:20K divider builtin
0\~30V

|

Vbat ADC
ADC\_CHANNEL\_1

| INAV voltage scale 2100 | | | Curr pad | 0\~3.3V |

Current ADC
ADC\_CHANNEL\_2

| scale 150 | | | | RSSI Pad | 0\~3.3V |

RSSI ADC
ADC\_CHANNEL\_3

| Analog RSSI | | | | No Pad | |

AirS ADC
ADC\_CHANNEL\_4

| | | | | | | | | | | | I2C | I2C1 | 5V tolerant I/O | Compass | QMC5883 / HMC5883 /MAG3110 / LIS3MDL | | | OLED | 0.96″ | | | | | | onboard Barometer | SPL06-001 | | | | | | Digital Airspeed sensor | MS4525 | | | | | | Temperature sensor | | | | | | | | | | | | | |

UART
5V tolerant I/O

| USB | | USB | | | | TX1 RX1 | 5V tolerant I/O | UART1 | USER | | | | TX3 RX3 | UART3 | USER | | | | | TX4 RX4 | UART4 | USER | | | | | TX5 RX5 | UART5 | USER | | | | | No Pad | UART6 | – | | | | |

TX2 RX2
SBUS

| 5V tolerant I/O | UART2 | RC input/Receiver | | | | Sbus pad | for SBUS receiver, Sbus pad = RX2+inverter | | | | | | RX2 pad | IBUS/DSM/PPM | | | | | | TX2 & RX2 | CRSF | | | | | | TX2 pad | SmartPort Telemetry | enable Softserial\_Tx1 | | | | | TX2 pad | FPORT, uninverted S.Port/F.Port signal (hacked) | | | | | | TX2 pad | SRXL2 | | | | | **PINIO** * PINIO1 /PIO1 pad, Low Level by default, Low/High level switchable by Mode-USER1 * PINIO2 is for camera input switch by Modes-USER2 **Tips** * F405-WMN has **INAV fw** preloaded for QC * Download INAV firmware 4.1.x from our website. Target **MATEKF405TE** is not listed in INAV configurator 4.x.x, * You may download INAV fw 5.0 or newer directly from INAV configurator 5.x or newer. | ArduPilot | | | | | | | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ----------------------------------------------- | ----------------------------------------------------- | --------------------------------------------- | ------------------------------------------ | ----------------- | |

PWM
5V tolerant I/O

| S1 | PWM1 GPIO50 | TIM8\_CH4 | DMA/DShot | Group1 | | S2 | PWM2 GPIO51 | TIM8\_CH3 | DMA/DShot | | | | S3 | PWM3 GPIO52 | TIM1\_CH3N | DMA/DShot | Group2 | | | S4 | PWM4 GPIO53 | TIM1\_CH1 | DMA/DShot | | | | S5 | PWM5 GPIO54 | TIM2\_CH4 | DMA/DShot | Gourp3 | | | S6 | PWM6 GPIO55 | TIM2\_CH3 | DMA/DShot | | | | S7 | PWM7 GPIO56 | TIM2\_CH2 | DMA/DShot | | | | S8 | PWM8 GPIO57 | TIM2\_CH1 | DMA/DShot | | | | S9 | PWM9 GPIO58 | TIM12\_CH1 | NO DMA | Gourp4 | | | S10 | PWM10 GPIO59 | TIM13\_CH1 | NO DMA | Gourp5 | | | S11 | PWM11 GPIO60 | TIM4\_CH1 | NO DMA | Gourp6 | | | LED pad | PWM12 GPIO61 | TIM3\_CH4 | DMA/DShot | Gourp7 | | | SERVO12\_FUNCTION 120, NTF\_LED\_TYPES neopixel | | | | | | |

Mixing Dshot and normal PWM operation for outputs is restricted into groups, ie. enabling Dshot for an output in a group requires that ALL outputs in that group be configured and used as Dshot, rather than PWM outputs.
If servo and motor are mixed in same group, make sure this group run lowest PWM frequency according to the servo specification. ie. Servo supports Max. 50Hz, ESC must run at 50Hz in this group.

| | | | | | | | | | | | | | ADC | Vbat Pad |

1K:20K divider builtin
0\~30V

|

Vbat ADC

onboard battery voltage

|

BATT\_VOLT\_PIN
BATT\_VOLT\_MULT

|

14
21.0

| | Curr pad | 0\~3.3V |

current sensor ADC

onboard current sense

|

BATT\_CURR\_PIN
BATT\_AMP\_PERVLT

|

15
40

| | | RSSI Pad | 0\~3.3V |

RSSI ADC
Analog RSSI

|

RSSI\_ANA\_PIN
RSSI\_TYPE

|

8
2

| | | – | – | – | – | – | | | | | | | | | | I2C | I2C1 | 5V tolerant I/O | Compass | COMPASS\_AUTODEC | 1 | | onboard Baro SPL06-001 | Address | 0x76 | | | | |

Digital Airspeed I2C
MS4525
DLVR-L10D

|

ARSPD\_BUS
ARSPD\_TYPE
ARSPD\_TYPE

|

1
1
9

| | | | | | | | | | | |

UART
5V tolerant I/O

| USB | USB | | console | SERIAL0 | | TX1 RX1 | USART1 | with DMA | telem1 | SERIAL1 | | | TX3 RX3 | USART3 | NO DMA | telem2 | SERIAL2 | | | TX5 RX5 | UART5 | NO DMA | **GPS1 \*\*\*** | SERIAL3 | | | TX4 RX4 | UART4 | NO DMA | **GPS2 \*\*\*** | SERIAL4 | | | – | – | – | – | SERIAL5 | | |

TX2 RX2
SBUS

| USART2 | with DMA | RC input/Receiver | SERIAL6 | | | RX2 | IBUS/DSM/PPM |

BRD\_ALT\_CONFIG 0
Default

| | | | | Sbus pad | SBUS | | | | | | TX2 & RX2 | CRSF |

BRD\_ALT\_CONFIG 1
SERIAL6\_PROTOCOL 23

| SERIAL6\_OPTIONS 0 | | | | TX2 | uninverted FPort (hacked) | SERIAL6\_OPTIONS 4 | | | | | TX2 | SRXL2 | SERIAL6\_OPTIONS 4 | | | | * **\*\*\* If connecting just one GPS to UART4(TX4/RX4), pls set UART5 SERIAL3\_PROTOCOL = -1 or non “5”. otherwise ArduPilot will stop searching for GPS during bootup if not found on the first port(SERIAL3, UART5) configured for GPS protocol.** * **If sending highspeed serial data (eg. 921600 baud) to the board, use USART1(Serial1) or USART2(Serial6).** **Frsky Smartport Telemetry** * non-inverted (hacked) S.Port signal * any spare Uart\_TX * SERIALx\_BAUD 57 * SERIALx\_OPTIONS 7 * SERIALx\_PROTOCOL 4 or 10(for yaapu) **DJI** [**FPV**](https://www.premium-modellbau.de/lexikon-fpv/) **OSD (ArduPilot 4.1)** * OSD\_TYPE = 3 * SERIALx\_PROTOCOL = 33 * MSP\_OPTIONS = 0 (polling mode) **Relay(PINIO)** * PINIO1, PIO1 pad, Low Level by default * PINIO2, Camera switch, C1 ON by default \# GPIOs * PA4 PINIO1 OUTPUT GPIO(81) LOW //PIO1 pad * PB5 PINIO2 OUTPUT GPIO(82) LOW //camera switch \# RCx\_OPTION: RC input option * 28 Relay On/Off * 34 Relay2 On/Off * 35 Relay3 On/Off * 36 Relay4 On/Off e.g. * RELAY\_PIN 81 //PIO1 GPIO * RC7\_OPTION 28 //Relay On/Off, Use CH7 of Transmitter to control PIO1 Low/High Level * RELAY\_PIN2 82 //Camera switch GPIO * RC8\_OPTION 34 //Relay2 On/Off, Use CH8 of Transmitter to control high/low level on PB5 pad The configured feature will be triggered when the auxiliary switch’s pwm value becomes higher than 1800. It will be deactivated when the value falls below 1200. Check the pwm value sent from the transmitter when the switch is high and low using the Mission Planner’s Initial Setup >> Mandatory Hardware >> Radio Calibration screen. If it does not climb higher than 1800 or lower than 1200, it is best to adjust the servo end points in the transmitter. ![https://bilder.premium-modellbau.de/bilder/produkte/wasserzeichen/F405-WMN\_layout.jpg](/files/kPMEJausW3SX8f9tlSxa) ![https://bilder.premium-modellbau.de/bilder/produkte/wasserzeichen/F405-WMN\_Wiring.jpg](/files/iG1Lp0jrqOPyvphAI7rY)