Revision as of 19:11, 8 April 2017

In this tutorial we will discuss how to configure the AWS for amazon user account and later we will see how to setup a new things and generate certificates to communicate with your IOT device using AWS MQTT services.

AWS User Account

For using the AWS services you need to have a user account and login using the AWS Login link

Existing users can directly login and directly jump to next. New users should register first and link the credit card for payments. Basic plan is free for first Year, other plans are chargeable. Check this link for available plans.

Creating a new thing

After Login, click on Signin To Console to go to AWS dash board. Now type AWS IOT and Select the AWS IOT (Connect Devices to Cloud) from drop down as shown below.

Now the AWS GetStarted Window will open only for the first time. Click on GetStarted to go to dash board.

Click on Register-->Things for registering a new Thing as shown below.

Click on Create to create a new Thing.

Provide a unique Thing name and click on Create to proceed.

myTestThing is SuccessFul created as shown below.

Get the MQTT HOST name and thing name from Interact menu. These will be used to connect with AWS MQTT and also to subscribe/publish the topics.

Generate certificates for new thing

Go to Security menu and click on Create Certificate to register the certificates.

Click on the activate button to activate the certificates and download the certificate,private key and root CA as name them as below.

 aws-root-ca.pem 

 certificate.pem.crt 

 private.pem.key 

Define and Attach Policies

Go do AWS dash board and select the Security-->Policies and click on Create a Policy as shown below.

Define the policy for myTestThing as shown below

Now go back to Certificates and attach the policy that was defined above

Select the thing and attach the policies define above.

Verify the Attached Policies

Now verify whether the policies are attached to newly created thing as shown below.

Testing Using MQTT Fx tool

As we have a test thing and also the certificates assigned with required policies. We can test it using the MQTT Fx broker tool. Lets list all the info we had while creating the thing and it certificates.

Broker Address / HOST Name: a3jzsmkecjw9hn.iot.us-west-2.amazonaws.com
Broker Port : 8883

Certificates:
aws-root-ca.pem certificate.pem.crt private.pem.key