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Author Topic: need help with LEDs  (Read 8041 times)

brutal

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need help with LEDs
« Reply #10 on: August 12, 2001, 11:23:00 PM »

Vortek,

not to keep harping on this issue but i will :) hehe. the only thing that can detect if a fan is powered AND spinning is a RPM sensor which has to be "wired" into the fan i believe. now the cool thing would be to buy a bunch of 3 wire fans and connect the power to a 12volt connector then take the rpm wire and wire that to an LED and a 30db siren.
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basic

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need help with LEDs
« Reply #11 on: August 14, 2001, 03:22:00 PM »

let us think about this little problem, what is the main reason fans go out? lack of power or fryed interals right? if you have proper guards and filters, it isn't because of something getting stuck in it. this being the case, you could wire the led inline with the fan, as to wither or not the current drawn from the fan would blow the led, i don't know, but it think you all are making this harder then it is. sure, this way still has it's kinks, but more easibly fixed than basically making your own pcb. i could be wrong though, just another look on the matter
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Antacus

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need help with LEDs
« Reply #12 on: August 14, 2001, 04:31:00 PM »

30db siren?! I would need about a 40db siren. Those dang Delta fans run at like 46db.

*grin* just kidding brutal, good idea actually :)
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