Matek H7A3-SLIM ArduPilot 8S 11xPWM Flight Controller: Precision and Power for High-Performance Drones

The Matek H7A3-SLIM is a high-performance flight controller designed for demanding applications, supporting up to 8S LiPo batteries. With its powerful STM32H7A3RIT6 MCU, 11x PWM outputs, and ArduPilot firmware compatibility, this flight controller is perfect for multirotors, planes, and VTOLs that require precision and reliability. Its compact and lightweight design makes it an excellent choice for a wide range of drone builds.

Key Features of the Matek H7A3-SLIM

Advanced Processor for High-Speed Performance

At the heart of the Matek H7A3-SLIM is the powerful STM32H7A3RIT6 MCU with a 280MHz Cortex-M7 processor. This provides the flight controller with exceptional processing power for complex flight control tasks, making it ideal for drones that require fast and accurate calculations.

Comprehensive Sensor Suite

The flight controller comes equipped with an ICM42688P IMU and an SPL06-001 barometer, ensuring accurate attitude and altitude readings. It also features a built-in AT7456E OSD for seamless video overlay integration in FPV setups, making it highly versatile for various types of drone applications.

Multiple I/O and PWM Outputs

With 6 UARTs, 11 PWM outputs, and additional interfaces like I2C and CAN, the Matek H7A3-SLIM offers extensive connectivity options for peripherals such as GPS, telemetry modules, and ESCs. The PWM outputs are conveniently located on JST-SH1.0 8-pin connectors, ideal for 4-in-1 ESCs.

Technical Specifications

• MCU: STM32H7A3RIT6, 280MHz Cortex-M7, 1.4MB RAM, 2MB Flash
• IMU: ICM42688P
• Barometer: SPL06-001
• OSD: AT7456E
• Blackbox: 128MB Flash (1G-bit NAND)
• UARTs: 6x UARTs (built-in inversion)
• PWM Outputs: 11x PWM outputs
• I2C: 1x I2C interface
• CAN: 1x CAN interface
• ADC: 4x ADC (VBAT, Current, VB2, Cur2)
• LEDs: 3x LEDs for FC Status (Blue, Red) and 3.3V indicator (Red)
• USB: Type-C (USB 2.0)
• PWM Connectors: 8x PWM on 2x JST-SH1.0 8-pin connectors for 4-in-1 ESCs
• CAN Connector: JST-GH1.25_4pin connector

Power Specifications

• Vbat Input: 6~36V (2~8S LiPo)
• BEC 5V Output: 2A continuous (Max 3A)
• BEC 9V Output: 2A continuous (Max 3A)
• LDO 3.3V: Max 200mA
• ADC VB2: Supports up to 69V (1K:20K voltage divider)

Firmware

• ArduPilot: MATEKH7A3 (ArduPilot 4.6 or newer)
• Compatible with ArduPlane and ArduCopter
• Firmware flashing via STM32CubeProgrammer

Physical Specifications

• Mounting: 30.5 x 30.5mm, Φ4mm with Silicon Grommets (Φ3mm)
• Dimensions: 36 x 36 x 5 mm
• Weight: 7g

What's Included?

• 1x H7A3-SLIM Flight Controller
• 6x Silicon grommets (M4 to M3)
• 2x JST-SH1.0 8-pin cables (5cm) and 8-pin connectors
• 1x JST-GH-4P to JST-GH-4P cable for CAN port (20cm)