C51 source code written in dot matrix spectrum, absolutely original, with STC12C5A60S2, single complete signal acquisition, FFT operation, and dot-matrix screen of the drive, two-color dot matrix screen for the 12832. Annotated, easy to understand, easy to transplant.

fft3\fft3
....\fft3.c
....\fft3.hex
....\fft3.lnp
....\fft3.LST
....\fft3.M51
....\fft3.OBJ
....\fft3.uvopt
....\fft3.uvproj
....\fft3_uvopt.bak
....\fft3_uvproj.bak
fft3
....\fft3.plg

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