Learn how to remove a retained message from AWS IoT Core using the AWS IoT MQTT Test Client (Console) and also programmatically using nodejs.
In April 2022, AWS made a powerful addition to Lambda: Function URLs. Learn all about them in this post, from enablement to configuration and best practices.
Learn about the Time to Live (TTL) feature of dynamoDB, how to enable it in the console, its salient features and advantages.
Learn how to package the node_modules into a layer on AWS Lambda, so that your application code remains visible on the lambda console.
Learn how to add a new Cognito user to DynamoDB (using lambda as the intermediary) as soon as the user’s sign up is confirmed.
Learn how to delete users from Cognito using lambda functions in two ways: admin_delete_user and delete_user. Also see how the two methods compare.
Learn how to use basic ingest to save on messaging costs, which form a big chunk of the total costs incurred during the interaction of things with AWS IoT Core.
Learn how to trigger an AWS Lambda if the incoming messages on a topic in AWS IoT Core satisfy certain conditions. Article includes rule creation and testing.
Learn how to publish a message from AWS Lambda to a topic on AWS IoT Core. We use the python 3.6 runtime in this tutorial.