Re: Cooling fan Shroud

Woody
 

Fan controllers are easy to build and minimize noise when not needed.
Something like these...  YMMV

Variable analog - Had to add the 3.3 ohm to reduce induced noise in the uBITx from high current fan.

OR

Switched - OFF/ON



Inexpensive fans can be had surplus, like at:
https://www.allelectronics.com/category/220/fans/1.html
https://www.mpja.com/DC-Axial-Fans/products/48/


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