diff --git a/Lib/YMF262/Inc/YMF262/FNumberBlock.h b/Lib/YMF262/Inc/YMF262/FNumberBlock.h
new file mode 100644
index 0000000..924897a
--- /dev/null
+++ b/Lib/YMF262/Inc/YMF262/FNumberBlock.h
@@ -0,0 +1,19 @@
+//
+// Created by gustavohenriquesantossouzademir on 24/03/2026.
+//
+
+#ifndef YMF262DEVBOARDSOFTWARE_FNUMBERBLOCK_H
+#define YMF262DEVBOARDSOFTWARE_FNUMBERBLOCK_H
+
+enum FNumberBlock {
+    BLOCK1,
+    BLOCK2,
+    BLOCK3,
+    BLOCK4,
+    BLOCK5,
+    BLOCK6,
+    BLOCK7,
+    BLOCK8,
+};
+
+#endif //YMF262DEVBOARDSOFTWARE_FNUMBERBLOCK_H
\ No newline at end of file
diff --git a/Lib/YMF262/Inc/YMF262/Notes.h b/Lib/YMF262/Inc/YMF262/Notes.h
new file mode 100644
index 0000000..7b06bdb
--- /dev/null
+++ b/Lib/YMF262/Inc/YMF262/Notes.h
@@ -0,0 +1,21 @@
+//
+// Created by gustavohenriquesantossouzademir on 24/03/2026.
+//
+
+#ifndef YMF262DEVBOARDSOFTWARE_NOTES_H
+#define YMF262DEVBOARDSOFTWARE_NOTES_H
+enum Notes {
+    NoteDo,
+    NoteDoSharp,
+    NoteRe,
+    NoteReSharp,
+    Note,Mi,
+    NoteFa,
+    NoteFaSharp,
+    NoteSol,
+    NoteSolSharp,
+    NoteLa,
+    NoteLaSharp,
+    NoteSi
+};
+#endif //YMF262DEVBOARDSOFTWARE_NOTES_H
\ No newline at end of file
diff --git a/Lib/YMF262/Inc/YMF262/OPL3Tunning.h b/Lib/YMF262/Inc/YMF262/OPL3Tunning.h
new file mode 100644
index 0000000..0154c64
--- /dev/null
+++ b/Lib/YMF262/Inc/YMF262/OPL3Tunning.h
@@ -0,0 +1,48 @@
+//
+// Created by gustavohenriquesantossouzademir on 24/03/2026.
+//
+
+#ifndef YMF262DEVBOARDSOFTWARE_OPL3TUNNING_H
+#define YMF262DEVBOARDSOFTWARE_OPL3TUNNING_H
+#include <cstdint>
+
+template <uint32_t TCLOCK = 14'318'180UL>
+class OPL3Tunning {
+private:
+    /*!
+ * @brief Precomputed power-of-two values for each F-Number block octave.
+ *
+ * Each entry corresponds to \f$ 2^{(octave - 1)} \f$, used in the F-Number formula:
+ * \f[
+ *   F_{number} = \frac{f \cdot 2^{19}}{f_s \cdot 2^{octave - 1}}
+ * \f]
+ * Index 0 corresponds to Octave1, index 7 to Octave8.
+ */
+    static constexpr uint16_t POW2_BLOCKMINUS1[8] = {
+        1,2,4,8,16,32,64,128
+    };
+
+     /*!
+     * @brief Precomputed number for the \f$ 2^{19} \f$
+     * This number is precomputed due the STM32 not having a POW function and this number is used
+     * on the formula:
+     * \f[
+     *   F_{number} = \frac{f \cdot 2^{19}}{f_s \cdot 2^{octave - 1}}
+     * \f]
+     * so it was added as  static constexpr
+     */
+    static constexpr uint32_t POW2_19  =  524288;
+
+    /*!
+     * @brief Calculated Sampling Frequency
+     *
+     * This Number is dependent on the Clock and is also used on the formula to calculate the F-Number
+    *  * \f[
+     *   f_s = \frac{T_{CLOCK}}{288}
+    * \f]
+     */
+    static constexpr uint32_t FS = TCLOCK / 288;
+};
+
+
+#endif //YMF262DEVBOARDSOFTWARE_OPL3TUNNING_H
\ No newline at end of file
diff --git a/Lib/YMF262/Src/.placeholder b/Lib/YMF262/Src/.placeholder
new file mode 100644
index 0000000..e69de29
diff --git a/Lib/YMF262/Src/OPL3Tunning.cpp b/Lib/YMF262/Src/OPL3Tunning.cpp
new file mode 100644
index 0000000..1265535
--- /dev/null
+++ b/Lib/YMF262/Src/OPL3Tunning.cpp
@@ -0,0 +1,5 @@
+//
+// Created by gustavohenriquesantossouzademir on 24/03/2026.
+//
+
+#include "../include/YMF262/OPL3Tunning.h"