LED strips flicker

I bought these light to put on a remote control plane..


What's odd is that the battery outputs 6v. But at the led strip it measures 3v. I dont see any resistors in between the battery or LED strip.

I bought this to supply power to the LED strip. Power comes from a 2cell lipo battery. https://www.pololu.com/product/2844

The whole airplane including leds are all powered by the same 2s lipo battery.

The lights and plane all work fine. I've had many successful flights.

However, the lights will flicker, different amounts of throttle affect the lights flickering,.

I added a capacitor across the positive and negative leads, it did not seem to have any effect.

How do I stop this flickering.

by Adam1025
October 23, 2021

It is possible that at some moment, you ask for more power than what can deliver the battery. In this case, its voltage drops. With that drop, there is not enough voltage to turn on fully the LEDs, so, they close, The total required amperage drops, the battery can now raise back to its nominal voltage. The process starts over.

You are lucky to see it to the naked eyes, generally, it is just some glimpse of a flash that is perceptible.

A solution is to use independent voltage sources for the LEDs and one for the motor.

by vanderghast
October 24, 2021

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