Then, the next time the API explorer, or a dashboard, 'inspect' the device resource, will obtain the value stored on the property. In this case, the property is updated periodically with the current relay status, or even if the status is changed with the device psychical on/off button. Now we can use the API resource on a dashboard easily, just as any other device. Here are some sample dashboard widgets created for our MQTT Shelly Plug S device, allowing power switch and plotting some device information like real-time power consumption, total consumption, temperature, etc.