Learning AWS IoT

Building Lambda and its rule

After we have created a table on AWS DynamoDB, we can continue developing the AWS Lambda function. We will use Node.js runtime to write the program for AWS Lambda. Just navigate to https://console.aws.amazon.com/lambda from your browser. We will create the AWS Lambda function from scratch:

1. Fill in your Lambda function name; for instance, aws-iot-button. Select Node.js for runtime and your existing role or create a new one if you don't have one. The Lambda role is important to ensure your Lambda has permission to access AWS DynamoDB. I will explain it in the last section:

2. On your Lambda function dashboard, we ...