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i need a switch that automatically turns on a 220 volt when computer get turn on

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neverthought

New Member
hi guys
i strand in a situation
a computer turns on automatically and i need to run an 220 volt fan when its turns on
fan can not run constantly
i want to know if anyone knows a circuit that switch fan on when computer turns on an switch off when computer shut down automatically
thanks
 
Use a suitable 12V relay and switch 220V via that using a HDD or floppy disk drive power connector. (yellow=+12V, black=ground, red=+5V)

Those connectors are only powered when the PC is active.

Boncuk
 
Try **broken link removed**.
 
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