A small gadget that uses an OLED display and the FFT library to generate the audio spectrum. Add a pinch of life to your music.
Project tutorial by janux
Use Arduino, an OLED display and an AD9833 DDS module to create a useful wave generator for your lab.
This project is similar to my previous one but uses the FHT library which turns out to be at least 4 times faster than the FFT.
Low cost smart vitals wearable which can help in early detection of COVID-19 in front line workers
Project tutorial by Vishwas Navada
This is a project of Radio Receiver LW/MW/SW Stereo FM with RDS, using Arduino Nano, Si473x Radio IC and 1.8in TFT color display ST7735.
Project in progress by CesarSound
This project is for making a 32-band audio (music) frequency spectrum analyzer / visualizer using Arduino.
Project showcase by shajeeb
Write in English please.
Sorry for the huge delay.
I don't think you can use a 32x64 matrix that is 2048 led.
Arduino does not have the amount of memory needed to create the arrays needed by the FFT library for sampling. You should port to an STM32 Blue Pill which has a lot more ram.
I leave the fun of trying it to you. :)
Thank you for appreciation.
No need to use Visual Studio which costs as much as my car! :)
This project is for fun only.
The important thing is that it can be compiled into the Arduino IDE.
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