Matek H743-MINI

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Flight Controller H743-MINI

STM32H743VIT6, ICM20602 & MPU6000, DPS310, OSD, 5.5x UARTs, 2x I2C, 1x CAN, 11x PWM outputs, BEC5V, BEC8V

Firmwares

Gallery

Specifications

FC Specifications

MCU: STM32H743VIT6, 480MHz , 1MB RAM, 2MB Flash
IMU: MPU6000 (SPI1) & ICM20602 (SPI4)
Baro: Infineon DPS310 (I2C2)
OSD: AT7456E (SPI2)
Blackbox: MicroSD card socket (SDIO)

5.5x Uarts (1,2,4,6,7, Rx8)
11x PWM outputs(S1~S10, LED)
2x I2C (I2C1/DA1 CL1 pads, no I2C2 breakout)
1x CAN (C-H, C-L pads)
5x ADC (VBAT, Current, RSSI, VB2, CU2)
3x LEDs for FC STATUS (Blue, Red) and 3.3V indicator(Red)
1x JST-SH1.0_8pin connector (Vbat/G/Curr/Rx8/S1/S2/S3/S4)

Dual Camera Inputs switch
8V power ON/OFF switch

Power

Vbat Input: 6.3~36V (2~8S LiPo)
BEC: 5V 1.5A cont. (Max.2A)
BEC: 8V 1.5A cont. (Max.2A), 8V outputs stable when Vbat>=10V, 8V outputs 80% of Vbat when Vbat< 10V
LDO 3.3V: 200mA
VB2 pad supports Max. 69V (voltage divider 1K:20K)
Static power: 200mA@5V with Betaflight, 150mA@5V with ArduPilot

FC Firmware

ArduPilot(ChiBiOS): MATEKH743
BetaFlight: MATEKH743
INAV: MATEKH743 (To be supported soon)

Physical

Mounting
- 20 x 20mm/Φ3mm with Silicon Grommets
- 20 x 20mm/Φ2mm with Silicon & Brass Grommets
Dimensions: 36 x 28 x 6.5mm
Weight: 7g

Including

1x H743-MINI
6x Silicon grommets M4 to M3
6x Brass grommets M3 to M2
1x JST-SH1.0_8pin cable, 5cm
2x JST-SH1.0_8pin connectors

Layout

Wiring

ArduPilot mapping

PWM PWM1~PWM13 are Dshot and PWM capable. However, 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.	S1	PB0	5 V tolerant I/O	PWM1 GPIO50	TIM8_CH2N	Group1
	S2	PB1	3.3 V tolerant I/O	PWM2 GPIO51	TIM8_CH3N	Group1
	S3	PA0	5 V tolerant I/O	PWM3 GPIO52	TIM5_CH1	Group2
	S4	PA1	5 V tolerant I/O	PWM4 GPIO53	TIM5_CH2
	S5	PA2	5 V tolerant I/O	PWM5 GPIO54	TIM5_CH3
	S6	PA3	5 V tolerant I/O	PWM6 GPIO55	TIM5_CH4
	S7	PD12	5 V tolerant I/O	PWM7 GPIO56	TIM4_CH1	Gourp3
	S8	PD13	5 V tolerant I/O	PWM8 GPIO57	TIM4_CH2
	S9	PD14	5 V tolerant I/O	PWM9 GPIO58	TIM4_CH3
	S10	PD15	5 V tolerant I/O	PWM10 GPIO59	TIM4_CH4
	No S11 breakout	/	/	/	/	Gourp4
	No S12 breakout	/	/	/	/	Gourp4
	LED	PA8	5 V tolerant I/O	PWM13 GPIO62	TIM1_CH1	Group5
	LED	PA8	5 V tolerant I/O	SERVO13_FUNCTION 120, NTF_LED_TYPES neopixel		Group5

ADC	No pad 1K:10K divider builtin	PC0	0~36V	on board battery voltage	BATT_VOLT_PIN BATT_VOLT_MULT	10 11.0
	No pad	PC1	0~3.3V	on board current sensor	BATT_CURR_PIN BATT_AMP_PERVLT	11 40
	VB2 Pad 1K:20K divider builtin	PA4	0~69V	Vbat2 ADC	BATT2_VOLT_PIN BATT2_VOLT_MULT	18 21.0
	CU2 Pad	PA7	0~3.3V	Cur2 ADC	BATT2_CURR_PIN BATT2_AMP_PERVLT	7 /
	RSSI Pad	PC5	0~3.3V	RSSI ADC Analog RSSI	RSSI_ANA_PIN RSSI_TYPE	8 1


I2C	I2C1 CL1/DA1	PB6/PB7	5 V tolerant I/O	Digital Airspeed I2C	ARSPD_BUS	1
				MS4525 DLVR-L10D	ARSPD_TYPE	1 9
				Compass	COMPASS_AUTODEC	1
	I2C2 No CL2/DA2 breakout	PB10/PB11	5 V tolerant I/O	on board Baro DPS310

CAN	CAN1	PD0/PD1	5 V tolerant I/O	F103/F303 CAN Node	CAN_D1_PROTOCOL CAN_P1_DRIVER	1 1
				CAN GPS	GPS_TYPE	9
				CAN Compass	COMPASS_TYPEMASK	0
				CAN Airspeed sensor	ARSPD_TYPE	8

UART	USB	PA11/PA12	5 V tolerant I/O	USB	console	SERIAL0
	RX7 TX7 RTS7 CTS7	PE7/8/9/10	3.3 V tolerant I/O	UART7	telem1	SERIAL1
	TX1 RX1	PA9/PA10	5 V tolerant I/O	USART1	telem2	SERIAL2
	TX2 RX2	PD5/PD6	5 V tolerant I/O	USART2	GPS1	SERIAL3
	No TX3 RX3 breakout	/	/	/	/	/
	RX8	PE0	5 V tolerant I/O	UART8	USER	SERIAL5
	TX4 RX4	PB9/PB8	5 V tolerant I/O	UART4	USER	SERIAL6
	TX6 RX6	PC6/PC7	5 V tolerant I/O	USART6	RC input/Receiver	SERIAL7
				RX6	SBUS/IBUS/DSM
				RX6	PPM

ArduPilot Relay(PINIO)

Camera-1 and 8V On by default
Make sure 2 cameras are set with identical video format, both PAL or both NTSC.

# GPIOs

PD10 PINIO1 OUTPUT GPIO(81) //8V power ON/OFF switch
PD11 PINIO2 OUTPUT GPIO(82) //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 //8V switch GPIO
RC7_OPTION 28 //Relay On/Off, Use CH7 of Transmitter to switch Vsw
RELAY_PIN2 82 //Camera switch GPIO
RC8_OPTION 34 //Relay2 On/Off, Use CH8 of Transmitter to switch camera

RELAY_PIN3 81 //8V switch GPIO
RC9_OPTION 35 //Relay3 On/Off, Use CH9 of Transmitter to switch Vsw
RELAY_PIN4 82 //Camera switch GPIO
RC10_OPTION 36 //Relay4 On/Off, Use CH10 of Transmitter to switch camera

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.

reserved

Tips

ArduPilot Firmware
- https://firmware.ardupilot.org/Plane/stable/MatekH743/
- https://firmware.ardupilot.org/Copter/stable/MatekH743/
INAV is expected to support H743 in 2.6.
H743-MINI has betaflight firmware preloaded for QC
BetaFlight target is not on the Github, pls download BetaFlight firmware from our website.
If you flash ArduPilot firmware via BetaFlight configurator. there is a known issue that flash process will freeze at 50% if “full chip erase” is selected. Disable full chip erase when flashing, then reset to default in Mission Planner after flashing.
It is highly recommended to use STM32CubeProgrammer to erase MCU and upload firmware http://www.mateksys.com/?p=6905

Resellers

Prices for Matek H743-MINI in stores

Deals found: 38 (AliExpress⁵, FixFly¹, Banggood¹)

Store	Stock level	Lot price	Shipping cost	Coupon / promocode	Pcs./lot	1pc price
Banggood	Out of stock	$70			1	$70
AliExpress	High stock level	$83			1	$83
AliExpress	High stock level	$83			1	$83
AliExpress	High stock level	$89			1	$89
AliExpress	High stock level	$93			1	$93
AliExpress	High stock level	$100			1	$100
FixFly	Out of stock	$10290			1	$104

Flight controllers

Matek H743-MINI

Flight Controller H743-MINI

Prices for Matek H743-MINI in stores

See also