Merge branch 'master' of...

Merge branch 'master' of https://gitlab.bsc.es/elastic-h2020/elastic-sa/nfr-tool/nfrtool-time-and-energy

README.md

@@ -52,6 +52,8 @@ cd ..
 ```
 to update some files with the necessary configurations to create the fake Workers.  
 
+**NOTE:** This demo uses NuvlaBox telemetry. This video https://bit.ly/3pyekR4 shows how to install the NuvlaBox on some Node (Edge device) and this https://bit.ly/3cyJRPd shows how to use the NuvlaBox's Data Gateway, which provides the telemetry/resources metrics.  
+
 Go to nfrtool-time-and-energy/ directory.
 
 Start the dataClay, destroying any dataClay instance that could be active.