You can monitor sensor readings reported by the connected control device. Depending on the sensors installed in the physical system — thermistors, photoresistors, humidity sensors, and similar components — sensor readings might let you:
Dashboard cards show the latest sensor reading Realer has received. A control-device developer can configure an expected update cadence, and a resource owner can make that cadence more tolerant for a specific resource. Realer never expects readings faster than the purchased plan supports: HTTPS plans use the request interval, while MQTT plans use the source publish interval. If a card says Reading may be stale, No reading yet, or that the sensor is unavailable, check the timestamp, the affected sensor, and the related control device before relying on the value.