Drotek Pixhawk 3 Pro (FMUv4pro)
PX4 does not manufacture this (or any) autopilot. Contact the manufacturer for hardware support or compliance issues.
The Pixhawk® 3 Pro is based on the FMUv4 hardware design (Pixracer) with some upgrades and additional features. The board was designed by Drotek® and PX4.
This autopilot is supported by the PX4 maintenance and test teams.
总览
Microcontroller: STM32F469; Flash size is 2MiB, RAM size is 384KiB
ICM-20608-G gyro / accelerometer
MPU-9250 gyro / accelerometer / magnetometer
LIS3MDL compass
Sensors connected via two SPI buses (one high rate and one low-noise bus)
Two I2C buses
Two CAN buses
Voltage / battery readings from two power modules
FrSky® Inverter
8 Main + 6 AUX PWM outputs (Separate IO chip, PX4IO)
microSD (logging)
S.BUS / Spektrum / SUMD / PPM input
JST GH user-friendly connectors: same connectors and pinouts as Pixracer
Where to buy
From Drotek store (EU) :
From readymaderc (USA) :
编译固件
Most users will not need to build this firmware! It is pre-built and automatically installed by QGroundControl when appropriate hardware is connected.
To build PX4 for this target:
Debug调试端口
The board has FMU and IO debug ports as shown below.
The pinouts and connector comply with the Pixhawk Standard Debug Port (JST SM06B connector).
| 针脚 | 信号 | 电压 |
|---|---|---|
2 | VCC TARGET SHIFT | +3.3V |
2 | UART7 Tx | +3.3V |
3 | UART7 Rx | +3.3V |
4（黑） | SWDIO | +3.3V |
6 | SWCLK | +3.3V |
6 | GND | GND |
For information about wiring and using this port see:
PX4 System Console (Note, the FMU console maps to UART7).
Serial Port Mapping
| UART | 设备 | Port |
|---|---|---|
UART1 | /dev/ttyS0 | WiFi |
USART2 | /dev/ttyS1 | TELEM1 (flow control) |
USART3 | /dev/ttyS2 | TELEM2 (flow control) |
UART4 | ||
UART7 | CONSOLE | |
UART8 | SERIAL4 |
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