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Originally Posted by RAJAH235
Ed, fwiw. The 12 volt fans run on around 170 mA, so you could use 2 or 3 fans with no trouble on the one PWM controller. BUT, because of their diff characteristics, you might find that one requires more 'power' than the others. (do a bench test to see if they all run @ about the same speed setting).
Just watch the total 'on' time tho, if battery is also used to power your t'scope. (Best with a separate battery).
HTH.  L. |
Thanks for the info Laurie,
This is the configuration of the fans that I am planning on using the controller on.
There are three 4cm fans and one 12cm.
I'm guessing I might need two separate controllers?