Added a Button class

examples/buttonClass/buttonClass.ino

@@ -0,0 +1,61 @@
+
+
+
+/* 
+ DESCRIPTION
+ ====================
+ Simple example of the Button class from the Bounce library.
+ The Button class matches an electrical state to a physical action.
+ that switches the debug LED when 
+ either of 2 buttons are pressed.
+ */
+ 
+// Include the Bounce2 library found here :
+// https://github.com/thomasfredericks/Bounce2
+#include <Bounce2.h>
+
+#define BUTTON_PIN_A 2
+#define BUTTON_PIN_B 3
+
+
+#define LED_PIN 13
+
+// Instantiate a Button object
+Button buttonA = Button(); 
+
+// Instantiate another Button object
+Button buttonB = Button(); 
+
+void setup() {
+
+  // SETUP BUTTON A
+  buttonA.attach( BUTTON_PIN_A , INPUT_PULLUP );
+  buttonA.interval(5); // interval in ms
+  buttonA.setPressedState(LOW); // INDICATE THAT THE LOW STATE CORRESPONDS TO PHYSICALLY PRESSING THE BUTTON
+  
+  // SETUP BUTTON B
+  buttonB.attach( BUTTON_PIN_B , INPUT_PULLUP );
+  buttonB.interval(5); // interval in ms
+  buttonB.setPressedState(LOW); // INDICATE THAT THE LOW STATE CORRESPONDS TO PHYSICALLY PRESSING THE BUTTON
+
+
+  // SETUP LED
+  pinMode(LED_PIN,OUTPUT);
+
+}
+
+void loop() {
+  // UPDATE THE BUTTONS
+  buttonA.update();
+  buttonB.update();
+
+
+  // TURN ON LED IF EITHER BUTTON IS PRESSED
+  if ( buttonA.pressed()  || buttonB.pressed()  ) {
+    digitalWrite(LED_PIN, HIGH );
+  } 
+  else {
+    digitalWrite(LED_PIN, LOW );
+  }
+
+}