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Make audio detector bar graph, awesome sound detector …
https://www.youtube.com/watch?v=z4J1nScehq8
Make audio detector bar graph, awesome sound detector circuitToday i will show you how to make audio detector bar graph music led light detector vu meter mak...
An LED bargraph audio level display - Electric Druid
https://electricdruid.net/led-bargraph-audio-level-display/
Audio Meter with optional Peak Hold 0-5V bargraph driver 16F1503 code AUDIOMETER.ASM Compiled version of the above for programming onto 16F1503 chip, AUDIOMETER.HEX Schematic for the Audio Meter with optional peak hold This implements a full-wave rectifier on the chip, so you just feed audio to it as per the schematic above.
Audio Bargraph Display - Zen Internet
http://www.zen22142.zen.co.uk/Circuits/Audio/audiobargraph.htm
Description An easy to use LED bargraph display to monitor audio levels. Circuit monitors a single channel, so build two for stereo. Notes Please note that for convenience the circuit is not drawn with the IC in pin order. The LM3914 is an 17 pin DIL IC and its pinout is shown below left.
Audio bar graph. Small! - Page 1 - EEVblog
https://www.eevblog.com/forum/beginners/audio-bar-graph-small!/
You could draw each bar to look like VU Meters with or without segments. A display would also allow you to add some annotations for each bar. They're larger 1.5" OLED Breakout Board is square and would allow for text below each bar.
Audio level controlled Bar-graph LEDs? | All About Circuits
https://forum.allaboutcircuits.com/threads/audio-level-controlled-bar-graph-leds.40652/
#1 Well I am building a circuit for the set of a show that is submitting a pilot episode to Adult Swim. Basically it is 7 LEDs that need to light up in bar-graph fashion. I was going to use this exact circuit with a potentiometer to Vin.
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