I would like to learn how to show sensor events in Grafana, where initial the value is either text (in this case "vibration", or true/false). I was thinking a bar chart with time across the bottom.
In this example. three window vibration sensors are feeding into influxDB:
Example object from MQTT node upon "vibration detected":
Note the "action" payload is only sent every so often when it detects vibration.
Contents of one of the function nodes:
When I go to Grafana, it shows "no data":