Different types of units. Writing values, relay unit

esp_server/RegistersContainer.cs

@@ -7,6 +7,8 @@ namespace ESPServer
     {
         private Dictionary<int, int> registers;
 
+        public event Action<int, float> OnRegisterWritten;
+
         public RegistersContainer()
         {
             registers = new Dictionary<int, int>();
@@ -37,5 +39,23 @@ namespace ESPServer
             registers[address + 1] = (int)bytes[0] + (((int)bytes[1]) << 8);
             registers[address] = (int)bytes[2] + (((int)bytes[3]) << 8);
         }
+
+        public void WriteRegister(int address, int value)
+		{
+            registers[address] = value;
+            OnRegisterWritten?.Invoke(address, value);
+		}
+
+        public void WriteRegisters(int address, int[] values)
+		{
+            for (int i = 0; i < values.Length; i++)
+			{
+                registers[address + i] = values[i];
+			}
+            for (int i = 0; i < values.Length; i++)
+			{
+                OnRegisterWritten?.Invoke(address + i, values[i]);
+			}
+		}
     }
 }