PX4 Flight Controller

Based on the pixhawk FMU v6x standard, unnecessary hardware is cropped to reduce the size.

MCU：STM32h743iik6
IMU：BMI088，ICM42688P

Baro：BMP388/BMP390

Mag：BMM150

Mounting hole: M2, 30×30mm

Interface: USB, PWM×8, IIC×2, UART×5, TF card

Power supply: Input 7-26V, output 5V 1A

This version does not have an IO microcontroller, and the homepage has this version of the IO baseplate, with 8 more PWM ports.

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Notes:

1. Schematic PCB is designed with AD, in order to open source here, it is directly imported and copied, the drawings in the editor are for reference only, and cannot be directly typed!! The source file is attached and can be downloaded for reference or proofing.

2. Tested a version, basically usable. (Only PX4, firmware 1.14.0 and above were tested.) Just connect to QGC and flash the official firmware. If you use MATLAB, you have to flash version 14.0)

3. Because the board is small, the power consumption of H743 is relatively high, so the heat is serious, about 50 degrees if it is not moving. But it can be used normally, and if there is a need to get an aluminum shell for heat dissipation.

4. When installing it on the plane, remember to put a sponge on the barometer, otherwise the height will be unstable.

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Below is a part of the screenshot, the file is attached.