Project Setup in GCP

Project Setup in Google Console

1. Crete project in Google cloud platform console
2. Make sure that billing has been enabled for your project
3. Enable Cloud IoT Core and Cloud Pub/Sub APIs

Create Device Registry

1. Go to the Google Cloud IOT Core section in GCP console
2. Click Create a registry
3. Enter my-registry for the Registry ID.
4. If you're in the US, select us-central1 for the Cloud region. If you're outside the US, select your preferred region.
5. Select MQTT for the Protocol.
6. In the Telemetry topic dropdown list, select Create a topic.
7. In the Create a topic dialog, enter my-device-events in the Name field.
8. Click Create in the Create a topic dialog.
9. The Device state topic and Certificate value fields are optional, so leave them blank.
10. Click Create on the Cloud IoT Core page.