9個(gè)LED組成的音頻電平表電路
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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
.
Parts List
EEPW首頁 > 模擬技術(shù) > 設(shè)計(jì)應(yīng)用 > 9個(gè)LED組成的音頻電平表電路
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
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