A beginner's Guide to Driving LEDs - Part 3







Actively Stabilizing the Current
In part 2 of this tutorial we found that there are situations, when a simple resistor is not good enough to keep the current through an LED stable. There are countless ways to stabilise the electrical current actively. Some are simple, some are complicated. I will show a few here.
Note: The LED in the following schematics generates red light and has a

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