Drotek Pixhawk 3 Pro (FMUv4pro)
Last updated
Last updated
:::warning PX4 does not manufacture this (or any) autopilot. Contact the 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 and PX4.
:::note The main hardware documentation is here: https://drotek.gitbook.io/pixhawk-3-pro/hardware :::
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
:::tip Most users will not need to build this firmware! It is pre-built and automatically installed by QGroundControl when appropriate hardware is connected. :::
The board has FMU and IO debug ports as shown below.
1 (red)
VCC TARGET SHIFT
+3.3V
2 (blk)
CONSOLE TX (OUT)
+3.3V
3 (blk)
CONSOLE RX (IN)
+3.3V
4 (blk)
SWDIO
+3.3V
5 (blk)
SWCLK
+3.3V
6 (blk)
GND
GND
For information about wiring and using this port see:
UART1
/dev/ttyS0
WiFi
USART2
/dev/ttyS1
TELEM1 (flow control)
USART3
/dev/ttyS2
TELEM2 (flow control)
UART4
UART7
CONSOLE
UART8
SERIAL4
:::tip This autopilot is by the PX4 maintenance and test teams. :::
From (EU) :
From (USA) :
To for this target:
The pinouts and connector comply with the interface defined in the (JST SM06B connector).
(Note, the FMU console maps to UART7).
