Another note, if you are going to end up with lots of things of similar devices, e.g. Lightbulb1, Lightbulb2… Lightbulb 50… etc., this might come in handy:
It allows you to create a template of your device / things / items definition and then maintain a list of your devices in a simpler yaml file. The tool then generates the repetitive Things and Items definition for you based on the given template.
