The Wio Terminal from Seeed Studio is a compact device with an Arduino-compatible microcontroller and a 2.4-inch LCD. It also boasts of an inbuilt WiFi and BLE radio for wireless connectivity.
The Wio Terminal had given me the idea to build a mini-Prometheus dashboard that shows the vital statistics of a Kubernetes cluster running at the edge. With a bit of effort, I translated the idea into a working prototype.
Though this tutorial works with any Kubernetes cluster, it is tested on a three-node K3s cluster running on the Odyssey Blue J4105 Mini PC from Seeed Studio.
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Janakiram MSV is an analyst, advisor, and architect. Follow him on Twitter, Facebook and LinkedIn.