Thinking Outside the Classroom: Building an Edge Device To Monitor Atmospheric Conditions
Talkat Kubernetes on Edge Day North America 2025 · on Monday, 2025-11-10· at 11:15· Building B | Level 2 | B203·
summary
Built and deployed a school-site edge system using ESP32 with DHT11 and CO/CO2 sensors that publishes via MQTT and a custom Prometheus exporter to a Raspberry Pi and Grafana dashboards, producing time series of temperature, humidity and CO2. Deployment grows from three devices to six (goal ten). Networking uses Tailscale for Pi access. Hardware integration and IoT networking prove fiddly, and Prometheus metric types require care; federation and GPS-mapped dashboards are next steps.
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