Lightbug Documentation

Appearance

44: Pressure ​

Pressure information

FieldNameDescriptionType
5MethodRequest 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 ​

FieldNameDescriptionTypeUnit
1PressurePressure in millibar / hectopascalsfloat32hPa

Examples ​

GET request for device pressure
Protocol
03
3
Length
2000
20 bytes
Type
4400
44 (Pressure)
Header Count
0200
2
Header Types
0501
5, 1
Method
0102
2 (GET)
Message ID
0479138208210
3536882255
Payload Count
0000
0
Checksum
76221
56652
📡 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.