Added previous arduino implementations.

Problem1.hpp

@@ -0,0 +1,18 @@
+#ifndef Problem1_h
+#define Problem1_h
+
+#include "ProblemBase.hpp"
+
+class Problem1 : public ProblemBase {
+
+private:
+  unsigned long factor3 = 0;
+  unsigned long factor5 = 0;
+  unsigned long factor5_tick = 0;
+
+public:
+  Problem1();
+  bool Step();
+};
+
+#endif