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# SensorAirflow (UORB message)

**TOPICS:** sensor_airflow

## Fields

| Name      | Type      | Unit [Frame] | Range/Enum | Description                                                               |
| --------- | --------- | ------------ | ---------- | ------------------------------------------------------------------------- |
| timestamp | `uint64`  |              |            | time since system start (microseconds)                                    |
| device_id | `uint32`  |              |            | unique device ID for the sensor that does not change between power cycles |
| speed     | `float32` |              |            | the speed being reported by the wind / airflow sensor                     |
| direction | `float32` |              |            | the direction being reported by the wind / airflow sensor                 |
| status    | `uint8`   |              |            | Status code from the sensor                                               |

## Source Message

[Source file (GitHub)](https://github.com/PX4/PX4-Autopilot/blob/main/msg/SensorAirflow.msg)

::: details Click here to see original file

```c
uint64 timestamp		# time since system start (microseconds)
uint32 device_id                # unique device ID for the sensor that does not change between power cycles
float32 speed			# the speed being reported by the wind / airflow sensor
float32 direction		# the direction being reported by the wind / airflow sensor
uint8 status			# Status code from the sensor
```

:::