Added speaker and power modules

Assets/SpeakerModule.cs

@@ -0,0 +1,69 @@
+using System;
+using System.IO;
+using UnityEngine;
+
+public class SpeakerModule : ModuleBase
+{
+    [Header("Selected Audio")]
+    public string audioFilePath = "";
+    public string audioFileName = "";
+    public byte[] audioBytes;
+
+    // Called by UI after user picks a file
+    public void SetAudioFile(string path)
+    {
+        if (string.IsNullOrEmpty(path) || !File.Exists(path))
+        {
+            Debug.LogWarning("[SpeakerModule] Invalid audio file path.");
+            ClearAudio();
+            return;
+        }
+
+        audioFilePath = path;
+        audioFileName = Path.GetFileName(path);
+
+        try
+        {
+            audioBytes = File.ReadAllBytes(path);
+            Debug.Log($"[SpeakerModule] Loaded audio file: {audioFileName} ({audioBytes.Length} bytes)");
+        }
+        catch (Exception e)
+        {
+            Debug.LogError($"[SpeakerModule] Failed to read audio file: {e.Message}");
+            ClearAudio();
+        }
+    }
+
+    // Called by UI when user presses the shared Send button
+    public void SendAudioToHardware()
+    {
+        if (audioBytes == null || audioBytes.Length == 0)
+        {
+            Debug.LogWarning("[SpeakerModule] No audio selected to send.");
+            return;
+        }
+
+        // TODO: replace with your real control library call
+        Debug.Log($"[SpeakerModule] Sending audio '{audioFileName}' ({audioBytes.Length} bytes) to hardware");
+
+        // Example:
+        // ControlLibrary.send_speaker_audio(Int32.Parse(moduleID), audioBytes, audioBytes.Length);
+        // or chunk it if your library requires.
+    }
+
+    public void PlayAudioOnHardware()
+    {
+        // TODO: Replace with your real ControlLibrary call
+        // Example:
+        // ControlLibrary.speaker_play(Int32.Parse(moduleID));
+
+        Debug.Log($"[SpeakerModule] Play requested on hardware for '{audioFileName}'.");
+    }
+
+    private void ClearAudio()
+    {
+        audioFilePath = "";
+        audioFileName = "";
+        audioBytes = null;
+    }
+}