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January 5th 08, 05:09 AM
posted to rec.audio.pro,sci.electronics.equipment,rec.audio.tech,rec.radio.amateur.homebrew,sci.electronics.design
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seeking schematics or plans to build a stereo analog volume meter (to plug into pc speaker headphone jack)
wrote:
I would like to build an analog volume meter (moving needle type) using moving needle gauges like this http://en.wikipedia.org/wiki/Image:VU_Meter.jpg scavenged from a dead mixer's VU meter. It would plug into the headphone jack on a set of computer speakers and monitor the right/left sound volumes independently. Can anyone point me to a good website or book with schematics or plans on building this? How about LED bar-graph VU meter? Fairly easy to make, using these: http://www.national.com/mpf/LM/LM3915.html or http://www.national.com/mpf/LM/LM3916.html Check the full datasheet for example circuits. |
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