MATEK

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MATEK - Flight Controller F405 WMN

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)
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 Mapping

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 250
	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

ArduPilot
PWM 5V tolerant I/O	S1	PWM1 GPIO50	TIM8_CH4	DMA/DShot	Group1
	S2	PWM2 GPIO51	TIM8_CH3	DMA/DShot	Group1
	S3	PWM3 GPIO52	TIM1_CH3N	DMA/DShot	Group2
	S4	PWM4 GPIO53	TIM1_CH1	DMA/DShot	Group2
	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
	LED pad	SERVO12_FUNCTION 120, NTF_LED_TYPES neopixel		DMA/DShot	Gourp7
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	BRD_ALT_CONFIG 0 Default
		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 OSD (ArduPilot 4.1)
https://ardupilot.org/plane/docs/common-msp-osd-overview.html

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.

RELAY1_FUNCTION 1
RELAY_PIN 81 //PIO1 GPIO
RC7_OPTION 28 //Relay On/Off, Use CH7 of Transmitter to control PIO1 Low/High Level
RELAY2_FUNCTION 1
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.

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