diff --git a/data_svelte/items.json b/data_svelte/items.json
index df00ea79..6668aad2 100644
--- a/data_svelte/items.json
+++ b/data_svelte/items.json
@@ -455,11 +455,22 @@
         "apin": -1,
         "num": 34
     },
+    {
+        "name": "35. Доп. функции системы",
+        "type": "Reading",
+        "subtype": "SysExt",
+        "id": "SysExt",
+        "widget": "",
+        "page": "",
+        "descr": "",
+        "int": 15,
+        "num": 35
+    },
     {
         "header": "Экраны"
     },
     {
-        "name": "35. LCD экран 2004",
+        "name": "36. LCD экран 2004",
         "type": "Reading",
         "subtype": "Lcd2004",
         "id": "Lcd",
@@ -471,10 +482,10 @@
         "size": "20,4",
         "coord": "0,0",
         "id2show": "id датчика",
-        "num": 35
+        "num": 36
     },
     {
-        "name": "36. LCD экран 1602",
+        "name": "37. LCD экран 1602",
         "type": "Reading",
         "subtype": "Lcd2004",
         "id": "Lcd",
@@ -486,6 +497,6 @@
         "size": "16,2",
         "coord": "0,0",
         "id2show": "id датчика",
-        "num": 36
+        "num": 37
     }
 ]
\ No newline at end of file
diff --git a/platformio.ini b/platformio.ini
index d7470c0d..69f2960a 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -89,6 +89,7 @@ build_src_filter =
 	+<modules\exec\Mcp23017>
 	+<modules\exec\Mp3>
 	+<modules\exec\Pwm8266>
+	+<modules\exec\SysExt>
 	+<modules\display\Lcd2004>
 
 [env:esp32_4mb_fromitems]
diff --git a/src/modules/API.cpp b/src/modules/API.cpp
index e570b3b6..33431763 100644
--- a/src/modules/API.cpp
+++ b/src/modules/API.cpp
@@ -23,6 +23,7 @@ void* getAPI_IoTServo(String subtype, String params);
 void* getAPI_Mcp23017(String subtype, String params);
 void* getAPI_Mp3(String subtype, String params);
 void* getAPI_Pwm8266(String subtype, String params);
+void* getAPI_SysExt(String subtype, String params);
 void* getAPI_Lcd2004(String subtype, String params);
 
 void* getAPI(String subtype, String params) {
@@ -50,6 +51,7 @@ if ((tmpAPI = getAPI_IoTServo(subtype, params)) != nullptr) return tmpAPI;
 if ((tmpAPI = getAPI_Mcp23017(subtype, params)) != nullptr) return tmpAPI;
 if ((tmpAPI = getAPI_Mp3(subtype, params)) != nullptr) return tmpAPI;
 if ((tmpAPI = getAPI_Pwm8266(subtype, params)) != nullptr) return tmpAPI;
+if ((tmpAPI = getAPI_SysExt(subtype, params)) != nullptr) return tmpAPI;
 if ((tmpAPI = getAPI_Lcd2004(subtype, params)) != nullptr) return tmpAPI;
 return nullptr;
 }
\ No newline at end of file