Example for Bounce2Button

examples/Bounce2Button/Bounce2Button.ino

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+
+// This example toggles the debug LED (pin 13) on or off
+// when a button on pin 2 is pressed.
+
+// Include the Bounce2 library found here :
+// https://github.com/thomasfredericks/Bounce2
+#include <Bounce2Button.h>
+
+#define BUTTON_PIN 2
+#define LED_PIN 13
+
+int ledState = LOW;
+
+
+BounceButton debouncer = BounceButton(); // Instantiate a Bounce object
+
+void setup() {
+  
+  debouncer.attach(BUTTON_PIN,INPUT_PULLUP); // Attach the debouncer to a pin with INPUT_PULLUP mode
+  debouncer.interval(25); // Use a debounce interval of 25 milliseconds
+  debouncer.setInvert(true);
+  
+  pinMode(LED_PIN,OUTPUT); // Setup the LED
+  digitalWrite(LED_PIN,ledState);
+ 
+}
+
+void loop() {
+
+   debouncer.update(); // Update the Bounce instance
+   
+   if ( debouncer.pressed() ) {  // Call code if button transitions from HIGH to LOW
+     ledState = !ledState; // Toggle LED state
+     digitalWrite(LED_PIN,ledState); // Apply new LED state
+   }
+}