Matek H7A3 Wing Ardupilot Flight Controller
£78.99 Inc. VAT
A high-current, ArduPilot-ready wing controller for advanced fixed-wing and VTOL builds.
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FLIGHT CONTROLLER H7A3-WING
STM32H7A3RIT6 280MHz, ICM42688P, SPL06-001, OSD, 6x UARTs, 1x I2C, 1xCAN, 11x PWM outputs, BEC5V, BEC9V
The Matek H7A3 Wing Flight Controller is a powerhouse autopilot solution built for fixed-wing aircraft, VTOL platforms, and complex UAV builds that demand high output counts, rock-solid sensing, and serious power handling. Designed to run ArduPilot firmware, it combines an ultra-fast STM32H7A3 processor with a modern ICM42688P IMU, SPL06 barometer, onboard OSD, and MicroSD blackbox logging—making it ideal for long-range, survey, mapping, and experimental aircraft projects.
With support for 3–6S LiPo input, three independent high-current BEC rails, and an integrated digital power monitor rated for up to 164A burst, the H7A3 Wing removes the need for external PDBs or current sensors in most builds. Eleven PWM outputs, six UARTs with inversion, CAN, I2C, and multiple ADC inputs give you huge flexibility for servos, ESCs, GPS, telemetry radios, airspeed sensors, gimbals, and digital video systems.
The board uses a multi-layer stacked design with cover plates and includes a USB-C / buzzer extender for easy bench setup. Standard 30.5 × 30.5 mm mounting keeps installation straightforward in most airframes.
Key Features
- STM32H7A3 Cortex-M7 MCU running at 280 MHz
- Optimised for ArduPlane / ArduCopter platforms
- ICM42688P gyro + SPL06-001 barometer
- AT7456E analog OSD + MicroSD blackbox logging
- Integrated I2C digital current & voltage sensor (no calibration required)
- Up to 164A burst current monitoring
- 11 PWM outputs for servos or ESCs
- 6 UARTs with built-in inversion
- CAN and I2C ports via JST-GH connectors
- Triple-rail power system for avionics, video and servos
- Standard 30.5 × 30.5 mm mounting pattern
- USB-C extender with passive buzzer included
FC Firmware
- ArduPilot: MATEKH7A3 (4.6 or newer)
- ArduPlane https://firmware.ardupilot.org/Plane/beta/MatekH7A3/
- ArduCopter https://firmware.ardupilot.org/Copter/beta/MatekH7A3/
- Flashing with STM32CubeProgrammer
- MCU: STM32H7A3RIT6, 280MHz Cortex-M7, 1.4MB RAM, 2MB Flash
- IMU: ICM42688P
- Baro: SPL06-001
- OSD: AT7456E
- Blackbox: MicroSD socket
- I2C digital power monitor
- 6x Uarts (1,2,3,4, 5, 6) with built-in inversion.
- 11x PWM outputs
- 1x I2C
- 1x CAN
- 4x ADC (VBAT, Current, VB2, Cur2)
- 3x LEDs for FC STATUS (Blue, Red) and 3.3V indicator(Red)
- USB/Beep Extender with Type-C(USB2.0)
- 2x JST-GH1.25_4pin connector for CAN and I2C
- 9V/12V output ON/OFF switchable
- Digital video OSD is supported by any spare UART
Regulators:
- Vbat Input: 9~30V (3~6S LiPo)
- BEC 5V/4v5: 2.5A cont. /3A peak
- BEC 9V/12V: 2A cont. /3A peak
- BEC Vx: 8A cont. /12A Peak, output 5V Default, 6V or 7.2V option.
- LDO 3.3V: Max.200mA
I2C digital power monitor:
- No calibration required.
- Current sensing resistor: 0.00025 ohm
- Load current on current sensing resistor: 100A(Continuous), 164A(Burst)
- Voltage accuracy: ± 0.1%
- Current accuracy: ± 2%
- INA2xx I2C address: 0x45 (69)
- Parameters
- BATT_MONITOR ->21 (INA2xx)
- BATT_SHUNT -> 0.00025
- BATT_MAX_AMPS -> 164
- BATT_I2C_BUS -> 0 default
- BATT_I2C_ADDR -> 0 default (or 69)
Included:
- 1x H7A3-WING
- 1x USB(Type-C)/Beep (Passive buzzer) Extender with 6pin cable
- 1x 20cm JST-SH-6P to JST-SH-6P cable for USB extender.
- 2x 20cm JST-GH-4P to JST-GH-4P cable for CAN & I2C port
- 1x Rubycon ZLH 35V 470uF capacitor
- Dupont 2.54 pins (Board is shipped unsoldered)
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SHIPPING & DELIVERY
We are based in the UK and ship to most destinations worldwide.
We dispatch orders during the times shown on our Dispatch Schedule. Orders placed before the daily dispatch cutoff will ship the same day (subject to stock availability). Orders placed after the cutoff will ship on the next scheduled dispatch day.
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Shipping to the UK
- Order before the daily dispatch cutoff for same day dispatch.
- FREE delivery available on qualifying orders over £99 (under 1kg).
For small, low-value orders, Royal Mail First Class is our most economical option. Royal Mail Tracked 24 is the most popular choice, offering full tracking and flexible delivery options. For guaranteed next working day delivery, we recommend Royal Mail Special Delivery.
Royal Mail delivers to residential addresses Monday to Saturday, while courier services (including DHL) typically deliver Monday to Friday.
International Postage
- USA orders: Import duties and taxes are prepaid by us — no additional customs charges on delivery.
- Other destinations: Customs duties or import taxes may apply and are the responsibility of the recipient.
Smaller, lower-value orders may be sent via Airmail or tracked postal services. Economy road and express air courier options are available depending on destination. For faster delivery, we recommend express air courier services such as DHL Express, which typically deliver within 1–2 working days across Europe and a few working days for most other destinations.
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