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11th April 2010, 15:47 | #1 |
Madshrimp Join Date: May 2002 Location: 7090/Belgium
Posts: 79,023
| Hacking together a PC fan failure alarm This circuit will monitor the fan (3 or 4 wires) and will activate an alarm if the fan runs at very low speed or if it is completely stopped. Find complete info including schematics, BOM and detailed explanation in the link http://pcbheaven.com/circuitpages/PC_Fan_Failure_Alarm/
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