Tom1. Open the aliyun IoT website
2. Create a product if you don't have any products
3. Add devices under the product
4. Now you have following important data which we will use them later
- ProductKey
- DeviceName
- DeviceSecret
they need to be fill in the PM4 mqtt settings as
5. input any client id you want in the programming
for example "12345" in our case.
6. please choose Auto for client id, PM4 will complete the Ali policy for the client id automatically
7. please choose Auto for the username as well, PM4 will setup the required username by Ali policy
8. the password will be genreated automacally by using hmacsha1 by Ali policy
OK. now you can be connected. Next topic we will focus on the Pub/Sub
How to use Pub/Sub topics
1. edit the product details in Ali Iot Website
2. you can add customized topic by the naming rules of Ali
3. now you can see the topics are in the device's topic details
4. in the pm4, add those topics need to sub/pub
5. users can write those listen and send macros to pub and sub the topics.
