diff --git a/src/app/app.ino b/src/app/app.ino
index 196e0f8..d1e85fc 100644
--- a/src/app/app.ino
+++ b/src/app/app.ino
@@ -10,6 +10,7 @@
 SAB sab;
 
 unsigned long currentMs = 0, batteryMs = 0, buttonMs = 0;
+volatile boolean ioStateChange(false);
 View1Packet v1p = {sab.getRtcManager().getDateTime(), sab.getSdCardManager().getSize(GBYTE), sab.getPowerInfo(),0};
 ViewAPPacket vap = {sab.getConnectivityManager().softAPmacAddress(), sab.getConnectivityManager().softAPSSID(), sab.getConnectivityManager().softAPIP(), sab.getConnectivityManager().softAPgetStationNum()};
 ViewSTAPacket vstap = {sab.getConnectivityManager().macAddress(), sab.getConnectivityManager().localIP(), sab.getConnectivityManager().RSSI()};
@@ -65,10 +66,12 @@ void setup()
   sab.getWebServerManager().addApiRoutine("/esp/reset", &(espResetApi), NULL, WEBServerManager::GET);
   sab.getWebServerManager().addApiRoutine("/sab/wifi/stainfo", &(staWifiInfoApi), &sab, WEBServerManager::GET);
   sab.getWebServerManager().addApiRoutine("/sab/systeminfo", &(systemInfoApi), &sab, WEBServerManager::GET);
-  sab.getWebServerManager().addApiRoutine("/sab/io/get/level", &(ioGetLevelApi), &sab, WEBServerManager::GET);
+  sab.getWebServerManager().addApiRoutine("/sab/io/get/level", &(ioGetLevelApi), vio.ioState, WEBServerManager::GET);
   sab.getWebServerManager().addApiRoutine("/sab/io/set/level", &(ioSetLevelApi), &sab, WEBServerManager::GET);
   sab.getWebServerManager().addApiRoutine("/sab/io/get/mode", &(ioGetModeApi), &sab, WEBServerManager::GET);
   sab.getWebServerManager().addApiRoutine("/sab/io/set/mode", &(ioSetModeApi), &sab, WEBServerManager::GET);
+
+  sab.getIoManager().setISROnIOChange(&(ioISR), GPIO_3_RX);
   
   Serial.println("End setup");
 }
@@ -76,7 +79,7 @@ void setup()
 void loop() 
 {
   
-  if(millis() - currentMs > 100)
+  if(millis() - currentMs > 1000 || ioStateChange)
   {
     currentMs = millis();
     v1p.dateTime = sab.getRtcManager().getDateTime();
@@ -91,6 +94,8 @@ void loop()
     sab.getIoManager().getPcf().digitalReadAll(vio.ioState);
 
     sab.getScreenManager().displayView();
+
+    ioStateChange = false;
   }
 
   if(millis() - batteryMs > 10000)
@@ -113,3 +118,8 @@ void loop()
   //Run the webServer
   sab.getWebServerManager().runServer();
 }
+
+void ioISR()
+{
+  ioStateChange = true;
+}