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krisnation2000
Posts: 38
Joined: Sun Mar 16, 2014 12:18 am

USB Fan on my Pi

Sun Sep 07, 2014 1:38 am

Ive played it safe and posting this in the off topic, What are your guys opinion on this? I found a USB light at the 99 cent store, and my dad found a motherboard with a fan. What are your thoughts? Image
I know its not good looking, but it gets the job done!
Last edited by krisnation2000 on Sun Sep 07, 2014 2:24 am, edited 1 time in total.

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kusti8
Posts: 3439
Joined: Sat Dec 21, 2013 5:29 pm
Location: USA

Re: USB Fan on my Pi

Sun Sep 07, 2014 1:50 am

Very nice. Probably want to put the red and black wires together. The raspberry pi doesn't need a fan by default. Wondering by you built one.
There are 10 types of people: those who understand binary and those who don't.

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krisnation2000
Posts: 38
Joined: Sun Mar 16, 2014 12:18 am

Re: USB Fan on my Pi

Sun Sep 07, 2014 2:20 am

kusti8 wrote:Very nice. Probably want to put the red and black wires together. The raspberry pi doesn't need a fan by default. Wondering by you built one.
Because of emulation, Im pushing it and trying to overclock it to run 64-bit (N64)
all the way to 8-bit (NES) alot faster

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rpdom
Posts: 17232
Joined: Sun May 06, 2012 5:17 am
Location: Chelmsford, Essex, UK

Re: USB Fan on my Pi

Sun Sep 07, 2014 5:19 am

Even with overclocking you shouldn't need a fan, unless perhaps you have done one of the voltage mods and are pushing it close to breaking point.

Just keep an eye on the temperature with vcgencmd measure_temp. If you see it go anywhere near 80°C, then you might benefit from one, but the CPU is set to slow down if it reaches 85°C until it has cooled down a bit.

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default_user8
Posts: 680
Joined: Mon Nov 18, 2013 3:11 am

Re: USB Fan on my Pi

Tue Sep 09, 2014 2:22 am

I did a similar setup on mine, i'm using a 1 inch fan though. I used an old iphone cord that the kids pulled the end off of soldered the leads together, and plugged it into an iphone usb carger. Dropped my temp from 60C to 34C. I know i don't need the fan, but it's a lead in to another project for me to tinker with. Now i have an excuse to see if i can make a fan controller and regulate the temp at 50C, just for the heck of it.
Two heads are better than one, unless one's a goat head.

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