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How to drive a 12V DC fan with a microcontroller

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cameo_2007

cameo_2007

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hi guys,
how can i drive a 12V dc fan with a microcontroller in the most efficient way.
 

Re: driving a 12vdc fan

Microcontroller => PWM => MOSFET => fan ..

See this website for more details:
**broken link removed**

Regards,
IanP
 

    cameo_2007

    cameo_2007

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driving a 12vdc fan

what fan?
if u use the computer fan with feedback u can use pwm control for variable speed with temprature.
plz specify your need to guidance.
 

Re: driving a 12vdc fan

Mabe you can use Solid State Switch(SSR) as your swithd if you need more power for your fan.

Hope it can help you.......
 

driving a 12vdc fan

add some opto-coupler after PWM will be more reliable on industry environment.
 

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