I made a visually different version of the 10 channel 100 Led Spectrum Analyzer circuit that I used in the 2.1 sound system. The filter quality of the Led Spectrum Analyzer is around 6, and the middle frequencies are... Electronics Projects, Audio Spectrum Analyzer Circuit 100 LED 10 Ch Peak Hold "atmega8 projects, avr project, led projects, microcontroller projects, " Date 2022/02/27