Cheap RTA size 2.5 MB  / 2.7 MB Cheap RTA is a 1/3 octave Real Time Analyzer. Classic 30 band display. 4dB per LED resolution. Resizable to a wide range of ...

 Dust Analyzer size 0.6 MB  / 0.6 MB Dust Analyzer is a configurable spectrum analyzer. Log-frequency (20Hz to 20kHz) dB-scale spectrum (also does linear). Fixed 8192 samples FFT (Nuttall window). Vertical ...