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looking to make my own switch

 
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post #1 of 7 (permalink) Old 02-06-2014, 12:18 PM - Thread Starter
 
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after making a 12v - 5v molex reducer for my friend, i really want to quiet my fans down.

what i'm looking to make is a switch that, when switched on is 12v, and when swiched off is 5v.

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post #2 of 7 (permalink) Old 02-06-2014, 01:54 PM
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I'm not an expert at all or if this is the best way. Get a switch that has on-off-on (are there any on-on?) wire the ground to the middle leg and the 12v to one, and the 5v to the one left. That would give you 5v-off-12v. Not sure how well I explained that.
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post #3 of 7 (permalink) Old 02-06-2014, 02:02 PM - Thread Starter
 
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Quote:
Originally Posted by cones View Post

I'm not an expert at all or if this is the best way. Get a switch that has on-off-on (are there any on-on?) wire the ground to the middle leg and the 12v to one, and the 5v to the one left. That would give you 5v-off-12v. Not sure how well I explained that.[/quote

Thanks, I got that. I was wondering if there was a way to do it with a rocker switch 2 way
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post #4 of 7 (permalink) Old 02-06-2014, 04:37 PM
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Something like this if i understand it right. It would be like what i said earlier except no off position, it's called an "on on" when you search for it on the site.
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post #5 of 7 (permalink) Old 02-08-2014, 03:13 PM
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for that use something like his above, left leg 5v in right leg 12v in middle leg goes to the fan and negative goes to molex.

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post #6 of 7 (permalink) Old 02-19-2014, 03:13 PM
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I have connectors with 3 voltages5v-7v-12v just plug in witch u need to reduce the speed...



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post #7 of 7 (permalink) Old 02-19-2014, 03:15 PM
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Try L Com or http://www.l-com.com/ any electronic part u need they have or will make...Great customer support



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