Hello all. We are thinking of building a simple audio-spectrum-analyzer. The output would consist of a LED-matrix (7 bars, 8 LEDs / bar). Is this possible with the C84 (or F84 :) and an A/D-conv + FFT in software? Maybe another pic would be more suitable (with an A/D build in)? At the time we lack an eprom-programmer though. Any suggestions welcome. /Henrik & David