example dashboard

software/dashboard/README.md

@@ -12,3 +12,19 @@ To connect Grafana to our Influx-DB, you have to create a `token`in Influx-DB.
 You can use this token to create a connection from Grafana to Influx-DB.
 ![Connection](./docs/images/database-connection.png)
 
+After having a conneciton to a database you can easily create an own dashboard in Grafana.
+
+Here's the demo snippet (directly copyied from Influx Data Explorer) and the screen shot
+
+```
+from(bucket: "test")
+  |> range(start: v.timeRangeStart, stop: v.timeRangeStop)
+  |> filter(fn: (r) => r["_measurement"] == "msg")
+  |> filter(fn: (r) => r["_field"] == "value")
+  |> aggregateWindow(every: v.windowPeriod, fn: mean, createEmpty: false)
+  |> yield(name: "mean")
+```
+
+![Example Dashboard](./docs/images/grafana-example-dashboard.png)
+
+