arduino/libraries/ezButton/examples/01.SingleButton/01.SingleButton.ino

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/*
* Created by ArduinoGetStarted.com
*
* This example code is in the public domain
*
* Tutorial page: https://arduinogetstarted.com/tutorials/arduino-button-library
*
* This example reads the state of a button without debounce and print it to Serial Monitor.
*/
#include <ezButton.h>
ezButton button(7); // create ezButton object that attach to pin 7;
void setup() {
Serial.begin(9600);
}
void loop() {
button.loop(); // MUST call the loop() function first
int btnState = button.getState();
Serial.println(btnState);
}