I looked at it, it appears to be a straight voltage reducer, not a PWM or anything fancy.  So, using a small screwdriver it drops the voltage below 12v which is exactly what I have with the pot now.   I don't see it adding any value unless I'm missing something.

On 2011-05-29, at 5:24 PM, Colyn Case wrote:

> why not buy the speed controller from Ray Allen?