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STEREO_AUDIO_LEVEL_METER

2017-01-03 20:25  
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STEREO_AUDIO_LEVEL_METER
A Samsung KAA2281 and a few LEDs make up a simple stereo indicator. Levels displayed are -16, -11, -6, -3, and 0 dB. Input sensitivity is 1mV. LEDs can be any suitable types or a bar-graph display.