AWS Greengrass
Developer Guide

Module 6: Accessing AWS Cloud Services

This advanced module shows you how AWS Greengrass cores can interact with other Amazon Web Services in the cloud. It builds on the traffic light example in Module 5 and uses an additional Lambda function that processes shadow states and uploads a summary to an Amazon DynamoDB table.


                AWS IoT connected to an AWS Greengrass core, which is connected to a light switch device
                    and a traffic light device shadow. The traffic light device shadow is connected
                    to a Lambda function, which is connected to a DynamoDB table.

Before you begin, make sure that you have completed Module 1 through Module 5. You do not need other components or devices. This module should take about 30 minutes to complete.

Note

This module creates and updates a table in DynamoDB – most of the operations are small and fall within the AWS Free Tier. See DynamoDB pricing documentation for more information.