Just a quick note to confirm the this PWM > Voltage converter works perfectly in combination the fibaro rgbw module. I've hooked it up to my Buva Boxstream ventilation system and everything works great. buva_boxstream_fibaro_rgbw.jpg There was one important thing I had to do to make it work my case ...

mbliek wrote:Why not using the 0-10volt dimmer from qubino?

I considered that option but I had an unused fibaro rgbw module laying around. If that wasn't the case I would have gone for the qubino dimmer for sure.

I'm trying to control a buva ventilation systems similar to what @Quentin is show. As the 0-10v regulator unfortunately isn't available anymore on robbshop website I had to find a different solution. For what I understand the RGBW output channels on the Fibaro module are current regulated (4-20ma ...