Audio level meter circuit composed of 9 LEDs

Publisher:春水碧于天Latest update time:2011-03-15 Reading articles on mobile phones Scan QR code
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5 LED VU Meter kit is based on LB1409 IC from SANYO, which will indicates the volume level of the audio signal it senses

SUPPLY 12V DC @ 50mA
PR1 REF SET
PR2 AUDIO LEVEL SET

Schematic

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Parts List

Reference address:Audio level meter circuit composed of 9 LEDs

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