Vol.30　Solving hot air and noise problems of DC12V air conditioner switching power supply! 

Thank you for watching!
Last time, he was able to start the DC12V air conditioner with AC100V, but this time it is a video that solves the hot air and noise problem of his switching power supply.
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Items used this time
circle drill bit cutter
amzn.to/3LJzLeK
hole saw drill bit
amzn.to/3PFZlm6
Switching power supply 1200W
amzn.to/3F0LTEK
Selector switch 3 positions
amzn.to/3F24i3X
Wire stripper
amzn.to/3PG0cDk
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