I want to make Flickering Lamp light Material

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I want to make this, use material.
I don’t need real light shadow, All I need is just emissive.

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or like this.

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But now, this is the only thing I can make.
This lamp flicks at slightly irregular intervals,
but flickering is too quick and continuously.
I don’t think it looks good.

Can you give me a hand?

this may look crazy but you can try it. Its using 3 sine waves with different periods and amplitude mixed:

image

hope it helps

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My penny’s worth…

light

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another approach: using random timed function with Vinterp node to randomize a scalar behavior

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