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Home Projects Miscellaneous Audio VU meter 9 leds

 
 

Audio VU meter 9 leds
author: Rajkumar Sharma



 

 

Specifications


 

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


 

Parts List


 

PCB


 

Download


Download this circuit in PDF

 

 
 

 
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