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Author Topic: Guide: H.D.D. Bicolour Activity Indicator  (Read 7701 times)

AcidFire

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Guide: H.D.D. Bicolour Activity Indicator
« Reply #10 on: August 24, 2004, 05:25:54 AM »

Alright, I set up the circuit from the diagram on a breadboard. I wired up a header to the 4n25 and booted up my system. My issue comes from the fact that the change is only slight and the green doesn't turn off, meaning only a little of the red can be seen. Now when I take the 4n25 out of it, and connect the pins directly (as if it were the 4n25 controlling it) the circuit works fine. At first I thought it was the 4n25, but out of the ten I ordered none seem to work right. What could be wrong?
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Whatever it is, mod the hell out of it!

Chamitae

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Guide: H.D.D. Bicolour Activity Indicator
« Reply #11 on: September 27, 2004, 04:54:51 PM »

Hi,

I've seen your bicolor mod for HDD activity, I think its great. But I want to do is something similar for the power led: when the computer is off, the led is red, when the computer is on, the led is green.

Do you think it is possible to do so, using the power supply 5v standby voltage?

Chamitae

P.S.

Sorry if the question is obvious to you, but i'm an electronic complete newbie.
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Skylined

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Guide: H.D.D. Bicolour Activity Indicator
« Reply #12 on: September 28, 2004, 12:44:49 AM »

Yeap, I think that Feeding it with PWR_OK it's going to work. ;)
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