DIY-A 12V Simple Modem Router Cooling System
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DIY-A 12V Simple Modem Router Cooling System
As drinking coffee or tea while they are very in high temperature, is very harmful for health, this little project helped me to cool down my coffee or tea cups in a very short time.
Simple,small,beautiful, saving money and electricity, very small power consumption.
Simple,small,beautiful, saving money and electricity, very small power consumption.