Developer Builds Open-Source IoT Platform to Track Livestock in Real Time

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A software developer has built LOKA, a full-stack IoT platform designed to help herders and small farmers monitor the live location of their animals. The system pairs a low-cost ESP32-S3 GPS tracker attached to an animal with a Node.js API and a React-based web dashboard powered by Leaflet and OpenStreetMap. Location data is transmitted every 10 seconds via HTTP, and the platform triggers alerts when an animal crosses a predefined geofence boundary. Development challenges included fixing a faulty GNSS power sequence, correcting GPIO pin mappings, and adding WiFi retry logic for unstable mobile hotspot connections in the field. The platform supports English, French, and Arabic with RTL layout, and a live demo has been published online.

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