How to use 1452 or 1701 make a signal level detector to make LED has different brightness while signal strength change?

Hi,

I want to use 1701 and 1452 to make a level detector to detect the signal strength,

but I don't know how to use blocks to make led brightness will follow the signal strength.

The led brightness level will follow the signal strength, if signal is stronger the led will more bright, the other side, the lower signal level will cause lower led brightness

(I think this may use the PWM to make led bright level)

any tips for making this function?

Thanks!

BR.

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