- You should use latest firmware from nodemcu-firmware with multicast support
- Place these files on top of NodeMCU-httpserver.
- Add upnp.lua and http/rgb.lua to list of files to compile.
- Add dofile("upnp.lc") after dofile("httpserver.lc")(80).
- Yo should see "OVOI RGB controller" in your upnp browser.
- it is working at least in windows network browser and upnp-inspector.