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12v voltage step

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Old Mar 16, 2006 | 12:38 AM
  #11  
Tom-Guy's Avatar
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Joined: Feb 2003
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Default Re: 12v voltage step

Originally Posted by Superfrigincow
I want to scale the voltage down when its not in boost/high rpms.
I repeat, you will burn out the pump.

PWM = pulse width modulation. The idea is to send the pump full power, but switch it on and off a bunch of times per second. Do you want 50% pump flow? Run it on for 50% of the time in those cycles. Etc.
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