Learning Objectives
At the end of this theory note, trainees must be able to:
- Compare common IoT wireless communication protocols and their trade-offs.
- Configure a wireless module to establish stable network connectivity.
- Explain MQTT’s publish/subscribe architecture, including brokers, topics, and QoS levels.
- Publish and subscribe to MQTT topics using structured JSON payloads.
- Test message transmission reliability and payload integrity.
- Apply security practices including authentication and TLS encryption to MQTT communication.
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