As is that s overdesigning.
Wiring pc fan to ac adapter.
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Pick a power supply that can source an amp or two and that d be more than enough.
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And the all black wire from the adapter gets wired to the all red wire from the fan.
When wiring your fans try and use the same exact same fans.
0033 4 wire computer fan tutorial duration.
Honestly if there s a power supply in your computer giving 12v just wire it up to that.
In this video i show you how to modify a computer case fan to run off of wall power and how to control the fan s speed.
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But the idea is black to black red to red.
It s okay to buy a power supply that can source up to 12 amps at 12vdc.
This one here that i used had one black and one red coming from the fan and from the adapter one black and one black and white.
I found out how and i decided to share.
Eric wasatonic 165 292 views.
4 6 out of 5 stars 23.
Adjustable ac dc adapters should be used in a parallel wiring setup.
At half an amp per fan you could hook up 24 fans in parallel.
Not recommended to go below 6vs for your fans.
Use one adapter for 120mm another for 80mms and so on.