IOT device control with MQTT and webhook

. IOT device control with MQTT and webhook This workflow is for users wanting a practical example of how to control IOT systems using the MQTT protocol in an an n8n environment. The template provides typical n8n MQTT and Webhook node implementation and configuration settings necessary to set IOT device inputs and outputs. How it works A webpage with IOT control 'on and 'off' buttons is presented to the user. When a button is selected on the webpage the value is sent via a webhook to trigger the active workflow. The workflow set node then prepares the received value into a message payload. It then passes the message to the MQTT node for publishing the topic with the payload to a cloud based M

Help me set up the n8n workflow "IOT device control with MQTT and webhook" (https://n8n.io/workflows/4211). It uses: MQTT. Import the template JSON into my n8n instance, list every credential I need to create, and walk me through testing it.