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Submitted by Jake Morris on March 3, 2024

Building a retrofittable IoT device for predictive maintenance of Nigerian generators

In this week’s ProjeX, Jake chats with long-time ipXchange member Magnus Emenuga, an embedded designer and educator with a particular interest in IoT solutions. 

The main topic of discussion for this interview is a relay system with an ESP32 device at the heart of the design, enabling remote communication via Wi-Fi. The user interface is provided by an LCD screen and/or phone app, and it is built to monitor energy systems, particularly those which use a generator. 

As Magnus explains, these generators account for over 60% of electricity production in Nigeria, by population. This means that there is a lot of maintenance required to keep homes and businesses powered. 

The system that Magnus developed with his team enables people to retrofit a small device to their generator, regardless of the manufacturer, and receive performance information on their smartphone but also see the warning signs of faults before the generator breaks. 

Magnus also praises Conexio’s Stratus board and how ipXchange got him connected with this disruptive company. This GNSS-capable alternative to the ESP32 basis will enable future versions of this design to track the position of generators as they are moved between locations. 

Check out more of Magnus’s work via LinkedIn by following the link at the top of the article. 

Keep designing! 

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