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Arduino-Based Spectrum Analyzer
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- Опубликовано: 15 авг 2024
- 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:
akuzechie.blog...
Link to FFT library:
www.arduino.cc...
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
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?
very interesting DIY spectrum analyzer video. 😎 The bigger display sounds intriguing and what about using one of the esp32 modules? 🤔 thanks and I cannot wait for the next video.
Thanks
Thanks for sharing...👍
You’re welcome
Frecuency range?
Great video - thanks! I used the same HW and sketch, but thespikes are very low, do you know why?
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?
Amazing.. what would be the range with the faster ESP32?
That’s a good idea. I’ll look into it. Thanks for your feedback.
Can we use GC9A01 round display here?
hello,could you share the semantic link?
Quick question: what if I want to zoom in because it's too small?
Where the library?
A link is now available in the description