Hi, I'm doing a project, which is "Electronic Voice Pitch Detector for ADHD Patients". My device for the detector can detect when there is any sound at the surrounding. And I had set the threshold value for the detection, when the sound value is more than the threshold value, then the buzzer will h…

Arduino-electronic voice pitch detector

pjrc April 1, 2018, 9:22am 3

Maybe this?

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