Simplify setup and control of LEDs

src/Timer.cpp

@@ -1,13 +1,14 @@
 #include <Arduino.h>
+#include <functional>
 
 class Timer{
 private:
 	unsigned long _interval, _lastTick;
-	void (*_callback)(void);
+	std::function<void()> _callback;
 	bool _running;
 
 public:
-	Timer(void (*callback)(void)){
+	Timer(std::function<void()> callback){
 		_callback = callback;
 		_running = false;
 	}