9个LED组成的音频电平表电路, Audio VU meter 9 leds 作者： 时间：2010-03-31 来源：网络 加入技术交流群 扫码加入和技术大咖面对面交流海量资料库查询 收藏 <a href='https://ad.eepw.com.cn/www/delivery/ck.php?n=a635e61e&cb=INSERT_RANDOM_NUMBER_HERE' target='_blank'><img src='https://ad.eepw.com.cn/www/delivery/avw.php?zoneid=88&cb=INSERT_RANDOM_NUMBER_HERE&n=a635e61e' border='0' alt='' /></a> <a href='https://ad.eepw.com.cn/www/delivery/ck.php?n=a576c0a2&cb=INSERT_RANDOM_NUMBER_HERE' target='_blank'><img src='https://ad.eepw.com.cn/www/delivery/avw.php?zoneid=87&cb=INSERT_RANDOM_NUMBER_HERE&n=a576c0a2' border='0' alt='' /></a> Specifications 5 LED VU Meter kit is based on LB1409 IC from SANYO, which will indicates the volume level of the audio signal it sensesSUPPLY 12V DC @ 50mAPR1 REF SETPR2 AUDIO LEVEL SETSchematicParts List DIY机械键盘相关社区:机械键盘DIY
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