добавил буффер char

include/Main.h

@@ -9,3 +9,4 @@
 #include "classes/NotAsync.h"
 #include "ESPConfiguration.h"
 #include "MqttClient.h"
+#include "classes/CommandBuf.h"

include/classes/CommandBuf.h

@@ -0,0 +1,28 @@
+#pragma once
+#include "Global.h"
+
+#define MAX_COMMAND_LENGTH 16
+#define BUFFER 128
+
+class CommandBuf;
+
+class CommandBuf {
+   public:
+    CommandBuf();
+    ~CommandBuf();
+
+    void addCommand(const char* command);
+
+    void printCommands();
+
+    String getLastCommand();
+
+   private:
+    struct CharBufferStruct {
+        char command[MAX_COMMAND_LENGTH + 1];
+    };
+    CharBufferStruct* commandList;
+    int commandCount = 0;
+};
+
+extern CommandBuf* myBuf;