Complete rewrite of Application

Button.h

@@ -0,0 +1,31 @@
+#ifndef BUTTON_H
+#define BUTTON_H
+
+#include <Arduino.h>
+
+class Button {
+private:
+  uint8_t pin;
+
+  bool stableState;
+  bool lastReading;
+  bool prevStableState;
+
+  unsigned long lastDebounceTime;
+  const unsigned long debounceDelay = 50;
+
+  unsigned long pressStart;
+
+public:
+  Button(uint8_t pin);
+
+  void begin();
+  void update(unsigned long now);
+
+  bool pressed();
+  bool released();
+  bool isDown();
+  bool held(unsigned long ms);
+};
+
+#endif