Set Up MQTT Explorer

Download and install the MQTT Explorer from https://mqtt-explorer.com/
Setting up MQTT Explorer for testing.

Connecting to MQTT Server

Connecting to AWS

• Host : Your Host name (examples: a2m21kovu9tcsh-ats.iot.ap-southeast-1.amazonaws.com)

• Port : 8883

• Make sure you enable Validate Certificate and Encryption

• Click on the Advanced Settings

• Add topics as shown (#, light/*, test_publish )

• MQTT Client ID depends on the certificate set that you will use.

• Add the Certificate, following step 7 in AWS installation

• Once the above steps are done, try connecting to AWS.

Connecting to Mosquitto Connection

• Host : Your Mosquitto ip address

• Port : 8883

• Make sure you enable Validate Certificate and Encryption

• Click on the Advanced Settings

• Add topics as shown (#, light/*, test_publish )

• MQTT Client ID depends on the certificate set that you will use.

• Add the Certificate, following step 5 in openssl certificate create