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Old 03-27-2012, 10:11 PM   #1
erikrocks
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Here's my DIY stirplate. 12V computer fan, pot, 5v phone charger, LED switch. The switch lights up, but the fan doesn't move. WTF? Am I missing something?





 
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Old 03-27-2012, 10:26 PM   #2
aquenne
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what material is that top made out of? also hard to tell from the pics but what is the clearance from the top to the top of the fan.

 
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Old 03-27-2012, 10:28 PM   #3
deepcdan99
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Does the fan work when directly connected to the DC?

 
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Old 03-27-2012, 10:38 PM   #4
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It's the radio shack project box. I haven't even closed the box up yet. The fan doesn't spin even when it's sitting on op of the box.

 
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Old 03-27-2012, 10:39 PM   #5
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Quote:
Originally Posted by deepcdan99 View Post
Does the fan work when directly connected to the DC?
Good question. I'll check.

 
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Old 03-27-2012, 10:51 PM   #6
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Quote:
Originally Posted by deepcdan99 View Post
Does the fan work when directly connected to the DC?
Yup. It works.

 
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Old 03-27-2012, 10:57 PM   #7
deepcdan99
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Could be wiring. Most likely used the wrong posts on the switch and/or speed control. By pass each to get fan working then you know which posts to use. Or you'll find the switch or contoller are bad.

 
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Old 03-27-2012, 11:02 PM   #8
deepcdan99
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Hard to say without it in front of me, sorry.

 
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Old 03-27-2012, 11:06 PM   #9
rjsnau
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Try wiring it up without the switch. I didn't use a switch and while it would have been nice I don't miss it. I just unplug it. That will make the wiring simpler and also eliminate a faulty switch from the equation.

 
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Old 03-27-2012, 11:19 PM   #10
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Well, it looks like it was just a bad solder. I suck at soldering. I disconnected everything and re-soldered and it works. Crisis averted. Now to begin work on stirplate #2...

 
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