Using the Shelly Plus Plug S to measure homelab power

I&rsquo;m using a Shelly Plus Plug S smart plug to measure the power usage of my homelab . I added it as a device in Home Assistant — and the power readings began! Kind of… &#xA; Within a few days; I noticed something strange with the graph history — there were long periods of time where the graph was completely flat.&#xA;Logging into the Shelly web interface, I could see the watt reading changing…