# CBPi4

After setup MQTT connectivity for CBPi4 MQTT is available for sensors and actors. Please follow the instructions on CBPi4 gitbook.

![MQTT sensor](/files/wkKxrlPOntR8saTmZyqs)

Please note the dot in PayloadDictionary: Sensor.Value (Sensor dot Value)

![MQTT induction](/files/O67JOpxOIpJVmURcyr7q)

![MQTT actor](/files/ETkTORHYunDpmi637Wx8)

MQTT mosquitto installtion and configuration for windows is nearly the same. If MQTT actors and sensors are used instead of GPIOs hardware, craftbeerpi4 can be installed on Microsoft windows systems.


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# Agent Instructions: Querying This Documentation

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Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://innuendopi.gitbook.io/mqttdevice32/installation/mqtt-cbpi4.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.
