Hello Enrico, an eSDK would be enough to do everything, however I would demand the entire development system if I were to start a project, but that is my opinion. I don't know well Node-RED but using devtool add you should be able to create or manage a recipe for any Node application. Happy hacking! -- Marco Cavallini | KOAN sas Bergamo - Italia embedded software engineering https://KoanSoftware.com