Thanks. I see also @april.brandt mentioned that I should try none red. Funny that in another post, people were saying that you need internet to use node red. May be I’ll try this later.
For now, I am almost done using python and writing the driver in Hubitat. I’m adding config file so other people may adjust it to their needs.
See this from another post:
Absolutely not. However, you will need an external permanently-on computer that runs Node-RED. Something like a Raspberry Pi would be adequate.