const int buttonPin = 2;  // Button pin
int lastButtonState = HIGH;  // Previous button state
int risingEdges = 0;
int fallingEdges = 0;
unsigned long lastDebounceTime = 0;  
const unsigned long debounceDelay = 50;  // Debounce time (ms)

void setup() {
    Serial.begin(9600);
    pinMode(buttonPin, INPUT_PULLUP);  // Enable internal pull-up resistor
}

void loop() {
    int currentButtonState = digitalRead(buttonPin);
    unsigned long currentTime = millis();
    
    // Check if button state changed and debounce it
    if (currentButtonState != lastButtonState) {
        lastDebounceTime = currentTime;  // Reset debounce timer
    }

    if ((currentTime - lastDebounceTime) > debounceDelay) {
        // Only count edges when a stable state change is detected
        if (currentButtonState != lastButtonState) {
            if (currentButtonState == LOW) {
                risingEdges++;
            } else {
                fallingEdges++;
            }
        }
        lastButtonState = currentButtonState;  // Update button state
    }

    // Print results
    Serial.print("Rising Edges: ");
    Serial.print(risingEdges);
    Serial.print(" | Falling Edges: ");
    Serial.println(fallingEdges);

    delay(1000);  // Small delay to reduce serial flooding
}