Frequency Detector icon Frequency Detector Detect audio frequencies via PC microphone (FFT), output a variable and drive servos within configurable min/max ranges with waveform feedback. Try it →

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#1  

Yes... you will use the same port for both trigger and echo..... don't forget to use a 5V regulator with it...

#2  

Thanks Richard, I had a feeling you might have the answer for me. I will be using it with two 4 wire sensors for avoidance, a total of 3 sensors. I assume I program it the same as the 4 wire? Ron