---
pageClass: is-wide-page
---

# SensorHygrometer (UORB message)

**TOPICS:** sensor_hygrometer

## Fields

| Name             | Type      | Unit [Frame] | Range/Enum                               | Description                                                               |
| ---------------- | --------- | ------------ | ---------------------------------------- | ------------------------------------------------------------------------- |
| timestamp        | `uint64`  |              |                                          | time since system start (microseconds)                                    |
| timestamp_sample | `uint64`  |              |                                          |
| device_id        | `uint32`  |              |                                          | unique device ID for the sensor that does not change between power cycles |
| `float32`        |           |              | Temperature provided by sensor (Celsius) |
| humidity         | `float32` |              |                                          | Humidity provided by sensor                                               |

## Source Message

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

::: details Click here to see original file

```c
uint64 timestamp          # time since system start (microseconds)
uint64 timestamp_sample

uint32 device_id          # unique device ID for the sensor that does not change between power cycles

float32  temperature      # Temperature provided by sensor (Celsius)

float32 humidity          # Humidity provided by sensor
```

:::
