Pic18f4550 microcontroller circuit being used for viewing the spectrum analyzer 128×64 LCD, a low power amplifier chip used to amplify the audio signal real-time audio spectrum frequency analysis FFT (fast Fourier transform) is performed. Crafted with expressSCH software, including... Electronics Projects, Real time Spectrum Analyzer Circuit FFT PIC18F4550 "microchip projects, microcontroller projects, " Date 2019/08/03