44: Pressure

Pressure information

Header

Field	Name	Description	Type
5	Method	Request a service to be perform an action Possible values: 1: SET— Set one or more values that are provided in the message payload. 2: GET— Get values for the associated message type. 3: SUBSCRIBE— Subscribe to values for the associated message type. Can be used in conjunction with other header fields to define the subscription parameters, such as Interval, Duration, Timeout, Storage Level and Message Level. If no interval is provided, messages will be sent as and when new data is available. Some data, such as GPS position, may require a set interval to be provided. 5: UNSUBSCRIBE— Unsubscribe from a previous subscription.	uint8

This is an extract of header fields that are relevant to this message type, you can find them all documented in the Headers section.

Payload

Field	Name	Description	Type	Unit
1	Pressure	Pressure in millibar / hectopascals	float32	hPa

Examples

GET request for device pressure

📡 Real example from RH2 ESP32 Toit on 2025-10-10This example is captured from an RH2 device as part of normal communications over I2C with the ESP32 co-processor, where Toit on the ESP32 make the request.

Code

For convenience, the following constants can be used to reference this message type.