Abstract: Medical percussion is a physical assessment technique that involves tapping on the body surface to evaluate a patient's condition, serving as a diagnostic method for comprehensive ...
const int ledPin = 13; // led connected to digital pin 13 const int knockSensor = A0; // the piezo is connected to analog pin 0 const int threshold = 500; // threshold value to decide when the ...
// Note: Pin 12 is NOT a PWM pin on standard AVR (Uno/Nano). // If using an Uno/Nano, move this to a PWM-capable pin (3, 5, 6, 9, 10, 11).
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