Lightning Talk: Observe everything! Like... for example 3D printers
summary
A homemade Prusa exporter written in Go collects printer temperatures, print status and throughput and feeds Prometheus 3.7 for visualization in Grafana. The exporter actually helps a German university researcher analyze printer behavior, so the idea works beyond hobby tinkering. Examples also include OBD dongles, game servers, brewery yeast sensors and REST-backed JSON exporters; combine exporters or add OpenTelemetry traces and logs to get higher-fidelity observability.
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