Electronics peeps, can you drive an LED directly with the output of a passive RC bandpass filter? (with obvious assumptions on input)
Ah, that kinda makes sense. So the Rs in the filter & the series R both need to be tuned appropriately relative to each other and the desired LED current, right?
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Still 2 Cs & 3 Rs per LED sounds like a fun way to make a large number of addressable LEDs with just 2 wires.
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I don't know without doing calculations/measurements. The series R will make the LED "look like" a resistor to the rest of the circuit for reasonable voltage input, however. That will _also_ load a passive filter/change the response (but the change in response is predictable).
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