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2 raymond 1 
/*
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 * Created by ArduinoGetStarted.com
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 *
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 * This example code is in the public domain
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 *
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 * Tutorial page: https://arduinogetstarted.com/tutorials/arduino-button-library
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 *
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 * This example:
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 *   + uses debounce for a button.
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 *   + reads state of a button
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 *   + detects the pressed and released events of a button
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 */
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#include <ezButton.h>
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ezButton button(7);  // create ezButton object that attach to pin 7;
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void setup() {
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  Serial.begin(9600);
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  button.setDebounceTime(50); // set debounce time to 50 milliseconds
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}
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void loop() {
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  button.loop(); // MUST call the loop() function first
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  int btnState = button.getState();
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  Serial.println(btnState);
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  if(button.isPressed())
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    Serial.println("The button is pressed");
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  if(button.isReleased())
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    Serial.println("The button is released");
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}