Build an USB Powered Fan

I’m keeping an eye on the temperature of my Dell Inspiron Mini 1012. And since it is powered-on again, according to Munin and the cpu0_temp0 / cpu1_temp0 counters, it runs at an average temperature of 59°C. This is quite a bit hot ; especially when I now it is supposed to have a TDP of 5.5 W and that the XPS M1330 is about 45°C.

The Mini is fanless! This is why I bought it and also probably the reason why it is that hot stored in a shoes cupboard with no air flow. So, I’m gonna give him some air turning an unused internal PC Fan into a brand new USB Powered Fan.
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