Tri-Colour LED Level Meter Schematic?

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ok back to the original question - I also see 3-colors as "too much"

waay back I had a gate designed to be a one-knob thing (sensitivity, everything else optimized for instrument recording) and had a 2-color, green-red visual fb

but hey I cheated and used a 555 monostab so that those damn leds didn't trip too much and were actually neat to look at, not some nervous flickering bs..

but yeah I remember I had to be uber smart with psu rail decoupling
 

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