Setting up the local broker

Now that the setup is in place, let's discuss what we want to achieve in this chapter. Later in this chapter, we will come back to the mobile application:

You have enough knowledge now to complete the entire system from ESP8266 code to your local broker and to the mobile application. To complete this chain we can start with the ESP8266. Let's create a simple plug code and let's use the PaaS service offered by iotcentral.eu as an authorization and cloud MQTT service:

  1. Create an account and validate your email address on iotcentral.eu:
  1. Get the bondar.bin binary image of a local MQTT broker and write it to a nodeMcu ...

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