All Questions
3
questions
5
votes
3
answers
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Can PWM affect a brushless DC fan given sufficient time?
tl;dr - Is driving brushless DC fans using PWM unhealthy for the fan compared to variable but steady DC voltage? If yes, why and how?
The super simple ...
- 151
1
vote
2
answers
770
views
Fan PWM driver - design question
I've been working on crating a simple PWM fan driver for my Raspberry Pi. To simply explain idea - I get 3 pin input (1 - PWM, 2 - 5V, 3 - GND), then using RC filter I turn PWM signal into voltage and ...
- 143
0
votes
1
answer
3k
views
Use motherboard PWM to control non-PWM fans with MOSFET
So heres my problem: I have lots of fans but most of them have no PWM input. I want to drive clusters of 12v fans by PWM using only one signal.
In my spares i found a Fuji Electrics K2647 MOSFET.
I ...
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