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Seems I have (I think!) solved this issue. So for the benefit of anyone else who scratched their head over it, here is what I think was missing:
The forward voltage (VF) of an LED is related to the forward current (IF); as the current drops the forward voltage drops too (looking at some...
Hi, I've recently been doing some work with the TLC5940 and I'm a little confused by the Vout rating of 17Vs in the datasheet...
If I have a bunch of LEDs in series with a Vdrop of 3.1Vs per LED at 20mAs: I supply 24Vs to the positive side of the 7 LEDs in series, I get a total Vdrop of 3.1V X...
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