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10/11/2017 6:07 AM
 

Hi Team,

 

I need to control the speed of the FAN,using the PWM output from Arduino ATmega328 MCU and the FG_OUTPUT from FAN is fed to MCU. The FAN is Sunon Fans Part Number is UF385-100.But in FAN Datasheet page no:8, it states that do not use the power or ground PWM to control the FAN Speed.

I have attached the reference schematics used by me which is below

please provide your feedback and any valuable suggestion.

 

Thanks & Regards,

Kiran

 
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10/11/2017 1:49 PM
 

Hi Kiran,

 

It sounds like the speed of this fan is not controllable. I would suggest you to contact your fan vendor for schematic suggestions and fan recommendation.

 

Regards,

Kevin

 
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