Internet of Things Workshop Series: Session 4
Introduction:
The session focused on IoT platforms, with a particular emphasis on communication architectures and integration strategies essential for the development of IoT systems. The key topics included LoRaWAN, MQTT, data visualization using NodeRED, and the setup of The Things Network (TTN) for IoT solutions. This session aimed to provide both theoretical and practical insights into connecting IoT devices to cloud services for data management and analysis.
Key Areas Covered:
- LoRaWAN Architecture: Overview of the architecture, highlighting how end devices communicate with gateways and are integrated into the network.
- MQTT Publish/Subscribe Architecture: Explanation of how MQTT facilitates lightweight messaging between IoT devices and platforms.
- Setup of LoRaWAN Gateway and NodeRED: An overview on configuring the LoRaWAN gateway and end device.
- Data Visualization: Using NodeRED and InfluxDB for IoT data visualization, along with configuring Telegraf for MQTT integration.
- Time Series Data Management: How to configure InfluxDB to handle time series data collected from IoT devices.
Practical Applications:
- Setup and configuration of a LoRaWAN gateway and end devices.
- MQTT Integration for real-time communication between IoT devices and cloud platforms.
- Using NodeRED for data flow and InfluxDB for storing and analyzing time-series data.
- Configuring Telegraf to subscribe to MQTT topics from The Things Network, enabling real-time data collection and visualization
Challenges:
- Complex Setup: The installation and configuration of the Raspberry Pi OS, InfluxDB, and MQTT protocols required careful attention to detail and troubleshooting.
- Connectivity Issues: Ensuring seamless connection between the LoRaWAN gateway, end devices, and The Things Network presented some challenges in terms of configuration, especially when working with MQTT.
- Limited kits: There was little done in terms of practical approach as the facilitator had forgot his kits and the student organization does not have kits of their own.
- Time: The session needed more time to be able to
Conclusion:
The session provided valuable hands-on experience in setting up IoT platforms, from configuring hardware devices like gateways and microcontrollers to integrating them with cloud services for real-time data analysis. Mastery of these platforms and protocols (LoRaWAN, MQTT) is critical in the design and deployment of IoT systems, especially in areas where lightweight communication and scalability are essential.
Find links to the photos in the link attached below:
UoN IoT Series Session 4
Date and Time
Location
Hosts
Registration
- Date: 18 Oct 2024
- Time: 12:00 PM UTC to 12:02 PM UTC
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- Nairobi, Nairobi
- Kenya
- Building: American Wing
- Room Number: 403
- Starts 13 October 2024 09:00 PM UTC
- Ends 17 October 2024 06:02 PM UTC
- No Admission Charge