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Originally Posted by RAJAH235
KISS. Is the way to go. Paul, I can build you a PWM,(pulse width modulation), controller if you want, but it's way OVERKILL. Mine's been going for about 5 yrs now, with no repairs nec.  L. |
I would agree with this, unless you want to squeeze every drop of life out of your batteries and go to the next level of complexity and fit temperature sensors to make it totally automated.