i found how to get a led out while blinking.
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Frequency Detector
— Detect audio frequencies via PC microphone (FFT), output a variable and drive servos within configurable min/max ranges with waveform feedback.
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here two little scripts.one led is separt on one wire.the green ones are soldert, in parralel.
Looks like your getting the hang of controlling LED's now. Good job, and nice little video demo.
hi steve g
yaech lot off fun.and an easy way to learn.