#include <PinButton.h>

// Create a new button object, listening on pin 5.
// You can have as many buttons as you like.
PinButton myButton(5);

bool ledOn = false;

void setup() {
  pinMode(LED_BUILTIN, OUTPUT);
}

void loop() {
  // Read hardware pin, convert to click events
  myButton.update();

  // Toggle the built-in led of the Arduino on each click.
  // You can also try e.g. isDoubleClick, isLongClick and
  // isSingleClick.
  if (myButton.isClick()) {
    ledOn = !ledOn;
    digitalWrite(LED_BUILTIN, ledOn);
  }
}

#include <PinButton.h>

// Create a new button object, listening on pin 5.
PinButton myButton(5);

void setup() {
  // Initialize serial port at 115k2 baud.
  // Use Serial Port Monitor in IDE to see the output.
  Serial.begin(115200);
}

void loop() {
  // Read hardware pin, convert to click events
  myButton.update();

  if (myButton.isSingleClick()) {
    // Only triggers on a single, short click (i.e. not
    // on the first click of a double-click, nor on a long click).
    Serial.println("single");
  }

  if (myButton.isDoubleClick()) {
    Serial.println("double");
  }
}