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 Post subject: 12volt fan on ps2 mouse
PostPosted: 27.01.2003 22:17 
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Junior Modder
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Joined: 03.08.2002 04:30
Posts: 22
I bought a fan at radio shack. Its a 12VCD Micro Fan 1.56 watts max and 130 mA current.

Now i heard that ps2 ports only give you 5v and serial give you 12v?. is this true? what about a usb mouse?

so lets say i have a mouse running from a ps2 port, i could still use the 12volt fan, but it wouldnt run as effeciently.

What are my best options?

thanks, jonathan


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 Post subject:
PostPosted: 27.01.2003 22:21 
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Site Admin
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Joined: 24.01.2002 10:09
Posts: 4683
Location: Finland
PS2 and USB gives you 5 volts. It really depends on the fan will that 12 volt device start to rotate with 5 volts. You just have to try it and if it starts to rotate, it will be slow.


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PostPosted: 27.01.2003 23:08 
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Junior Modder
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Joined: 03.08.2002 04:30
Posts: 22
oh okay, i understand. so basically i need to find a 5 volt fan?

if i find a 5 volt fan and run it in a mouse, will the amount of air moved be equal to running a 12 volt fan in a 5 volt mouse. (since i can only get 5 volts total?)

or will a 5 volt fan running at 5 volts be better?


(ps. i ran the fan off a 9 volt square battery, and that worked well)

jonathan


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 Post subject:
PostPosted: 28.01.2003 00:12 
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Joined: 24.01.2002 10:09
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Five volt fan with five volts will generally push more air than 12 volt fan with 5 volts.


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