You can start here: Shelly RGBW2 mit RGBW LED Strip Nodered Flow?
This will get you started if you compare the flow to the documentation on the Shelly website. Afterwards you can change the flow to use different shellies.
You can start here: Shelly RGBW2 mit RGBW LED Strip Nodered Flow?
This will get you started if you compare the flow to the documentation on the Shelly website. Afterwards you can change the flow to use different shellies.