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Post AvK1sz2LYzv4YivMIK by [email protected] |
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More posts by [email protected] |
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Post #AvGneGvcmN8os9zV0S by [email protected] |
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@RueNahcMohr #nerdsnipeThe SATA expansion card has pins for LEDs, but these thi… |
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Post #AvGneH34Kh61FFTRbs by [email protected] |
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@RueNahcMohr Maybe with an additional transistor...? Maybe you have already sol… |
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Post #AvGneH8jzbdJWq7yS0 by [email protected] |
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@yrabbit could you take me a photo of the board? |
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Post #AvGseSfzbHxH4waZiC by [email protected] |
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@RueNahcMohr hmmm... not right now - the board is busy copying several Terrabyt… |
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Post #AvGseSmjCFLJPpjxD6 by [email protected] |
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@yrabbit so.... those 4 unpopulated led header pins operate the led when the dr… |
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Post #AvHD8bxBfbzFcfHl7A by [email protected] |
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@RueNahcMohr yeap. Constantly illuminate the insides of the enclosure for attac… |
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Post #AvHD8c3ZHt5hwSGr3o by [email protected] |
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@RueNahcMohr Well the light inside the computer case doesn't bother me, but… |
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Post #AvHD8cAerWlKIRaW6y by [email protected] |
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@yrabbit TRY this, put a reversed LED into the head pins, see if the onboard LE… |
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Post #AvHD8cH2TnrmcEZc3c by [email protected] |
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@RueNahcMohr Very interesting. I'll try it, although I don't see how it… |
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Post #AvHD8cN47OgeuvOQS0 by [email protected] |
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@yrabbit it assumes the logic output is totem pole, and that the voltage drop o… |
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Post #AvHx3i0mJbxEr2Z7pY by [email protected] |
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@RueNahcMohr The board. |
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Post #AvHx3i8DrvuRE834Qy by [email protected] |
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@RueNahcMohr Direct connection |
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Post #AvHx3iEbUD0tXv2ANc by [email protected] |
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@RueNahcMohr Reverse :( |
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Post #AvHx3iKd7nplqbqym0 by [email protected] |
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@yrabbit ok, but it was easy to try :] from ground (frame) what is the voltage … |
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Post #AvItVfIDoMnps9l9cG by [email protected] |
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@RueNahcMohr alright, here we are: |
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Post #AvItVfOxPKBsD2uX7A by [email protected] |
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@yrabbit based on these measurements with the led on and off, would you say thi… |
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Post #AvIvfTxB1etvVYj0E4 by [email protected] |
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@RueNahcMohr It seems so |
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Post #AvIvfU3CfFinoFXocS by [email protected] |
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@yrabbit so is the [brown] wire always 3.3? does the [yellow] wire go from 2.5 … |
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Post #AvJhWxVeYyxSMsquhs by [email protected] |
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@RueNahcMohr And that's what we'll find out sometime on Sunday when I&#… |
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Post #AvJhZQJYRFBqHfMuae by [email protected] |
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@RueNahcMohr do you think you can switch the chip on the board to a different i… |
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Post #AvK1sz2LYzv4YivMIK by [email protected] |
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@RueNahcMohr I think that these pins are connected in parallel with the built-i… |
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Post #AvK1sz8NCajwrPkAgi by [email protected] |
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@yrabbit yup, but which pin is the power supply and which one is switched by th… |
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Post #AvK1ytYaqnBVIipHN2 by [email protected] |
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@yrabbit There is also a possibility the logic output that operates the led is … |
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Post #AvK4adMFj5m7yOB1N2 by [email protected] |
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@yrabbit This could be another circuit to try, the ground should be able to be … |
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Post #Avc8De5sil0UG05lC4 by [email protected] |
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@RueNahcMohr Alarming scary 5 beeps both in one and in the other variant (meani… |
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Post #Avc8DeCcJiOWatF8gy by [email protected] |
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@yrabbit !? |
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Post #Avc8uxJt7CagKyIMIS by [email protected] |
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@RueNahcMohr Connected this thing (LED + 10K) to + or -, cathode to case. But t… |
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Post #Avc8uxPYm77ycYwt8a by [email protected] |
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@yrabbit huh, at 10k it shouldn't care, I wonder who did a strange sanity t… |
