This n8n workflow automates the process of fetching the International Space Station’s (ISS) current position and broadcasting it via MQTT, making real-time satellite data accessible for IoT or monitoring systems. The workflow initiates on a schedule, retrieves the latest ISS position, processes relevant data, and publishes it to an MQTT topic.
The process begins with a Cron node set to trigger every minute, ensuring near real-time updates. When triggered, it activates an HTTP Request node that calls the ‘Where the ISS at’ API, requesting the current latitude, longitude, and timestamp of the ISS. The data received is then passed to a Set node, which extracts these specific data points and formats them into a structured message.
Finally, the structured data is sent to an MQTT broker under the topic ‘iss-position’, enabling connected devices or applications to subscribe and receive live ISS position updates. This workflow is especially useful for space enthusiasts, educational platforms, or IoT applications that need to display or process satellite data in real-time.
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