Graphic audio spectrum analyzer

Module of graphic spectrum audio analyzer

Parameters :

  • 14 display modes
  • power supply 5,5 - 8V, reverse polarity protection
  • current approximately 50mA
  • input adjustable 0,5 – 2,5V
  • input frequency 20 Hz – 20kHz
  • adjustable contrast and intensity of backlight
  • based on ATMEGA32, only single-sided PCB

Operating description

Individual modes are switched by pressing of button (linear mode, logarithmic mode, memory tips mode, measurement mode and setting).

In the setting mode for longer holding the button switches to set the individual values. Short press to go to the next desired value, long press to set the value, alternately up and down. After going through all the possible values ​​goes back to toggle the modes.

When is power disconnect , settings and the current mode is stored in memory.



After receipt of payment the project will be sent to your e-mail address during 24 hours.

(schema, PCB, firmware)

Forum : Graphic audio spectrum analyzer

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I need this graphic audio spectrum analyzer project.

Please tell me about its costs. Can I edit this program.

Graphic audio spectrum analyzer

schema, PCB, firmware

Re: Graphic audio spectrum analyzer

schema, PCB, firmware


hello you give the code with the project ??

Re: source

I bought the complete project and I can not compile. Could you help put the project together ??

gods project

friend bought this project hope it's not difficult to mount thank you

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