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Find the tin and make holes.
Make old cd barrier
Connect USB cable with CPU Cooler
Put ice (better - dry ice) :)
and enjoy with cold air, sorry my English ;)
i have designed a similar version inspired by it that uses an arduino chip ATMega8
and controls the fan speed according to the amount of external temp.
it also warns that ice is melting , etc...
it also has a lcd display and humidity centre and is fully automatic and also monitors the battery level and recharges automatically when plugged in the socket..
it runs on 9 v dc...
it is so auto-cool.............................
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