Audio Level Meter LM3915

Zeigt Anhand LED`s den GAIN Level an

fritzing-repo/projects/a/audio-level-meter-lm3915/images/Audio-Meter-lm3915_Steckplatine.jpg

Part List 1x LM3915 IC 2x 0.1uF Ceramic Disk Capacitor 1x 2.2uF 25V Electrolytic Capacitor 1x 1N914 Silicon Diode 1x 2N3906 PNP Transistor 1x 619K 1/4W Resistor 2x 1K 1/4W Resistor 1x 100K 1/4W Resistor 1x 1M 1/4W Resistor 10x Standard LED or BarGraph

By zyrusthc
Created on January 8, 2012, 08:34

Category: Analog / Digital

Difficulty: amateurs

License:  Creative Commons Attribution-Share Alike 3.0 Unported License

Tags: audio, lm3915, audiometer, bargraph

Images

fritzing-repo/projects/a/audio-level-meter-lm3915/images/Audio-Meter-lm3915_Steckplatine.jpg fritzing-repo/projects/a/audio-level-meter-lm3915/images/Audio-Meter-lm3915_Schaltplan.jpg

Files

Fritzing Files

Audio-Meter-lm3915.fz

Links

YouTube Video
Sound Level Meter

Comments

  1. Zyrus thc # Jan. 8, 2012, 8:23 a.m.

    Sorry habe leider beim Schaltplan bei der Chippinbezeichnung L10 - L2 den Chip seitenverkehrt beschriftet. Also L2 , L3 , L 4 von links nach rechts nicht umgekehrt.

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