I need to ventilate a room because of my Resin printers. I have a discarded kitchen extractor hood with an EBM fan in it. It takes 10v PWM to control the speed. And the lights have a driver. To control the lights I can use a cheap Sonoff wifi switch. But does anyone know if there is a wifi pwm controller for the fan? Searching google you get the standard LED 'pwm' controllers, but those don't output a pwm signal.
I've connected an arduino to the fan and was able to control it. Of course not at full speed because the PWM signal is only 5v. (MOSFET would make 10v pwm possible).
But before I embark on a DIY solution, I was hoping someone knows if there is a Sonoff like solution that outputs PWM.