This simple idea saved me 37 00 over the the cost of the add on unit.
Connect pc fan to ac adapter.
What you need is called an ac to dc inverter.
Take the red wire from the fan strip it a little and stick it in the hole of the adapter plug.
This is an easy thing to do and should only take about a minute to hook up.
The other wires on the fan are for control and aren t needed for your purpose.
A transformer will not give you dc.
It will give you ac.
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Connect your red pc axial wires to the adapters white wire.
Take the two wires from the ac adapter it will not hurt it becasue it is now converted to 12v dc and just try combinations with the four wires until the fan works.
4 7 out of 5 stars 45.
At half an amp per fan you could hook up 24 fans in parallel.
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Connect your black pc axial wires to the adapters black wire.
Tape the black wire to the outside of the plug with electrical tape.
You can t just feed a dc motor ac.
It s okay to buy a power supply that can source up to 12 amps at 12vdc.
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4 6 out of 5 stars 23.
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A quick guide on how to build a versatile makeshift fan to use in your grow space with a pc fan and an ac dc power adapter.
Items we talk about in this video.
Crj dc power supply for 2 x 3 4 pin 12v computer pc case fans.
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