Question PWM to analog voltage

Barney-

Reputable
Aug 3, 2014
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Hi. Anyone know of an adapter or hub capable of producing a steady(ish) DC voltage from a PWM fan header? I.e. if the PWM header is set to 70%, I want 70% of 12V = 8.4V out on the 3 pin output (can be 2 pin, don't really need the tach).

I've seen ICs/arduino circuits for this, but I don't want the hassle!

FYI, the PWM is from the graphics card, no voltage control 3 pin available.

Thanks
 

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