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Questions about light flickering/strobing

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  • Questions about light flickering/strobing

    Hi I've recently had a Loxone partner install lighting in my appartment.
    When I record a video with my phone, I can see the light strobing (flickering). Is this normal?
    Even without video recording, in real life, I can notice some strobing when moving my hands.

    My entire Loxone system is using Air technology.
    I would've expected better quality from Loxone, or the installation is not done correctly. Or maybe it's just normal?
    I would like to get your perspective.
    Much appreciated!

  • #2
    Guess you have LED lighting installed?
    Flickering is not seen by the human eye, but the camera does.
    See Pulse Width Modulation on wikipedia https://en.wikipedia.org/wiki/Pulse-width_modulation

    Don't think you can change the PWM speed in Loxone...
    I know some LED dimmers promote themselve to be "camera / video proof", so less / no flickering visible.
    Smarthome: Mini server Gen1, 2xRelay extensions, 2xDimmer extensions, 4xExtensions, 1xTree extension, 1xAir base extension, 1xRGBW tree dimmer, 13xTouch-tree, 6xMotion sensor tree, 9xEsylux PD-C 360i 8UC, 15xValve actuator tree, 4xSmoke detector air, 4xSmart socket air, 1xIR control air, 1xRemote air
    Multimedia: MS4L with 7 zones + Dayton Audio MA1240a, Epson EH-TW7100 + Onkyo TX-NR686 + IR repeaters
    Peripherals: Loxberry on PI 4, Mobotix T26 doorbell, AVS TS85X-2 LED siren, Xiaomi MiJia 1S

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    • #3
      Hi querex

      Yes it's LED lights. RGBW spots using the RGBW dimmer (https://shop.loxone.com/nlnl/rgbw-24...immer-air.html) I believe.
      Seems like this is a known issue and no fix currenctly exists: https://www.loxwiki.eu/pages/viewpag...ageId=60555470

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      • #4
        I really hope Loxone can do something here.

        The great flexibility of the RGBW dimmer cannot pay so much in terms of light quality.
        I believe this dimmer needs to be re-designed at an HW side to take in consideration this bad behaviour.

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