MCU: STM32H7A3RIT6, 280MHz Cortex-M7, 1.4MB RAM, 2MB Flash

IMU: ICM42688P

Baro: SPL06-001

OSD: AT7456E

Blackbox: 128MB Flash (1G-bit NAND)

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 Type-C(USB2.0)

8x PWM outputs on 2x JST-SH1.0_8pin connector for 2x 4in1 ESC

1x JST-GH1.25_4pin connector (5V/CAN-H/CAN-L/G)

9V output ON/OFF switchable

Digital video OSD is supported by any spare UART

Vbat Input: 6~36V (2~8S LiPo)

BEC: 5V 2A cont. (Max.3A)

BEC: 9V 2A cont. (Max.3A)

LDO 3.3V: Max.200mA

No Current Sensor built-in

ADC VB2 pad supports Max. 69V (voltage divider: 1K:20K)

ArduPilot: MATEKH7A3 (4.6 or newer)

ArduPlane  https://firmware.ardupilot.org/Plane/latest/MatekH7A3/

ArduCopter  https://firmware.ardupilot.org/Copter/latest/MatekH7A3/

Flashing with STM32CubeProgrammer

Mounting: 30.5 x 30.5mm, Φ4mm with Grommets Φ3mm

Dimensions: 36 x 36 x 5 mm

Weight: 7g

3D step  H7A3-SLIM_step.zip

1x H7A3-SLIM

6x Silicon grommets M4 to M3

2x JST-SH1.0_8pin cable, 5cm,  & 8pin connectors

1x JST-GH-4P to JST-GH-4P cable for CAN port, 20cm