https://elkevo.dev/en/blog Industrial data engineering on the OT/IT border: data acquisition, time-series platforms, dashboards and custom applications. en https://elkevo.dev/en/blog/trust-the-data-before-ai https://elkevo.dev/en/blog/trust-the-data-before-ai Sun, 12 Jul 2026 00:00:00 GMT Advice Before talking predictive models, there are three questions almost no plant can answer about its own data. https://elkevo.dev/en/blog/mqtt-sparkplug-b-vs-point-to-point https://elkevo.dev/en/blog/mqtt-sparkplug-b-vs-point-to-point Sun, 28 Jun 2026 00:00:00 GMT Architecture Six plants, four protocols and a separate integration per pair. The predictable ending, and how I reversed it. https://elkevo.dev/en/blog/from-4-hours-to-8-minutes https://elkevo.dev/en/blog/from-4-hours-to-8-minutes Wed, 03 Jun 2026 00:00:00 GMT Case The batch report was assembled by a person copying from three systems. It did not need a year-long project. https://elkevo.dev/en/blog/five-signs-nobody-uses-your-dashboard https://elkevo.dev/en/blog/five-signs-nobody-uses-your-dashboard Tue, 19 May 2026 00:00:00 GMT Advice It looks spectacular at the kickoff and is dead three months later. The symptoms are always the same.