edale
Newbie level 4
There are lots of DIY LED Music Spectrum kits available in the market, but here you can make your own LED Audio Spectrum Analyzer using NeoPixel RGB LED Matrix and ARM microcontroller.
LED Audio Spectrum Analyzer Circuit:
https://easyeda.com/vividz/DIY_LED_Audio_Spectrum_Analyzer-7e06e9e5808d48bab1953590aa3c2e9f
How to make a LED Audio Spectrum Analyzer:
https://www.instructables.com/id/How-to-Make-a-LED-Audio-Spectrum-Analyzer/?ALLSTEPS
Materials Required:
Flexible 16x16 NeoPixel RGB LED Matrix *2 (https://www.adafruit.com/products/2547)
STM32F103RBT6 * 1
Core Board (manufactured by EasyEDA)
Switching power supply, 5V 40A.
Audio Line *1, 1 min 2 audio interface *1, Speakers *1.
LED Audio Spectrum Analyzer Circuit:
https://easyeda.com/vividz/DIY_LED_Audio_Spectrum_Analyzer-7e06e9e5808d48bab1953590aa3c2e9f
How to make a LED Audio Spectrum Analyzer:
https://www.instructables.com/id/How-to-Make-a-LED-Audio-Spectrum-Analyzer/?ALLSTEPS
Materials Required:
Flexible 16x16 NeoPixel RGB LED Matrix *2 (https://www.adafruit.com/products/2547)
STM32F103RBT6 * 1
Core Board (manufactured by EasyEDA)
Switching power supply, 5V 40A.
Audio Line *1, 1 min 2 audio interface *1, Speakers *1.