Dual MSGEQ7 with Arduino Uno

Create your own flashy LED audio spectrum visualizer !

Parts for two MSGEQ7s

• Arduino Uno
• Arduino IDE
• Adafruit NeoPixel Library for Arduino
• Adafruit NeoPixel LED strip
• MSGEQ7 x2
• 100nF capacitor x4
• 10nF capacitor x2
• 33pF capacitor x2
• 22k Ohm stereo potentiometer x1
• 200k Ohm resistor x2
• 3.5mm audio input jack x1
• Stripboard

Schematics

From the MSGEQ7 datasheed

From GreatScottLab's Color Organ guide on instructibles.com

Only interested in the MSGEQ7 part of the schematic

From GreatScottLab's Color Organ 2.0 guide on instructibles.com

Only interested in the MSGEQ7 part of the schematic

From Amir Avni's guide on whatimadetoday.com

I suggest you look up the pinout for the 3.5mm jack you have.

Useful links

MSGEQ7 datasheed

WS2812 LED strip datasheet