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What I want to know is there anything I can add inline to that LED to prevent the flicker to the other LED I want constant, or is it just simpler to use a separate power source for just that LED?I have a switched battery solution planned, but wanted to explore any other options.
You also keep saying that you don't like using resistors,and now you say all the LEDs have resistors? In your earlie r post you stated "The smaller LED I use 500 ohm resistors to connect their negative wire to the - bus." That seemed to imply that not all LEDs have resistors. Anyway, going back to your original post:No, I don't believe there is anything you can add to the flickering LED powered by small 3V coin cell along with couple other parallel-connected LED to completely prevent them all from flickering. As I mentioned earlier, adding a 500 ohm resistor to the flickering LED will reduce the flicker of the other LEDs, but likely not fully eliminate it.As for exploring other options, powering the flickering LED (through a 500 ohm resistor) from your 3.4V bus will likely not make any other LEDs flicker. Either suggestion should be very easy to test.
Max despite the confusion, was my original post question unclear?