Arduino-Based Spectrum Analyzer

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Arduino Nano is programmed to display a spectrum analyzer on an OLED screen. Square wave and speech signals are used to test the analyzer.

Link to code:

Link to FFT library:

Contents:
0:00 Introduction
0:19 Spectrum Analyzer Basics
0:59 Block Diagram of the Implemented System
1:42 Demonstration 1: Square Wave Analysis
2:16 Demonstration 2: Speech Input
2:35 C++ Sketch
4:16 Future Project: Spectrum Analyzer using ST7920 LCD
  1. Anas Kuzechie
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Комментарии
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YES!!!
I have been looking for this for a long time now!
I have a question for you.
Can you use a ultrasonic sensor to pick up bat chirps?

victororo
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hello, could you share the semantic link?

Asdassafasas
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Hello, I really like this project of yours. I have two questions. Can you give me the schematics of the second demo where you used the microphone as an input?
Secondly, I am thinking of using this spectrum analyzer to create music reactive LED. Will it be a good idea?

thevideogallery
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Quick question: what if I want to zoom in because it's too small?

gioiamariasolegaliazzo
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