5.4 Visualizing Sensor Data in Cloud

Open the personal AWS account and test the subscriptions as presented in Module 3 of the AWS Greengrass Core Developer Guide. The topic in which the Lambda will publish data is ‘BLE/data’, and a subscription to it is needed.
Figure 5-4. Cloud Test
After the subscriptions, the window will print the sensor's value every five seconds, as in the image below.
Figure 5-5. Data Received from Sensor