LM339 VU Meter - EasyEDA open source hardware lab
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I made this led volume meter circuit, and only the first led turns on, and it's very dim. I didn't have 1n4148 diodes, so I used 1n4007 diodes instead (they have similar
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led vu meter under Repository-circuits -31610- : Next.gr
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VU-meter by Archy
DIY APEX 16 +1 LED VU Meter schematic with Komitart LAY6.
