Cabling Summary

The PX4 FMU v5 requires some custom cables to interact with the sensors. Here you will find the necessary information to replicate such cables.

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PMW3901 cable

The PX4 has 1 SPI port with the following pinout.Pixhawk SPI connector is JST-GH 7 pins.

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Teraranger EVO mini cable

From the official documentation, you require to wire the Teraranger like this.

The PX4 FMU v5 has two I2C ports, you are interested in the port A. Pixhawk I2C connector is JST-GH 4 pins.

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ESP8266 cable

The PX4 FMU v5 has 2 telemetry ports. Telemetry 2 is the port to connect the ESP8266. The connector is a JST-GH 6 pins.

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Arm button cable

The PX4 FMU v5 has 1 GPS port, this port has the pins needed for the arm button. The connector is a JST-GH 10 pins.

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Debug IO/FMU cable

The PX4 FMU v5 has 2 debug ports, one for I/O and another for the FMU. The connector is a male JST SM06B 6 pins. The one we use is the FMU debug port.

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PX4 power + sensor connector

The PX4 FMU v5 has 2 power ports, the one we are interested in is POWER 1 port. The connector is a JST-GH 6 pins. This cable s different from the previous as it connecets different parts of the system. One end requires a DF13 male connector to interact with the Power Module current and voltage sensor readings.