diff --git a/platformio.ini b/platformio.ini
index 1f8a45e..bd663e9 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -10,12 +10,18 @@
 
 [env:esp32dev]
 platform = espressif32
-board = esp32dev
+; board = esp32dev # devkit
+board = esp32-c3-devkitm-1
+; board = esp32doit-devkit-v1
 framework = arduino
-monitor_speed = 115200
-#; upload_port = COM[6]
+; framework = espidf
+monitor_speed = 9600
+; upload_port = COM10
+build_flags = -DARDUINO_USB_CDC_ON_BOOT=1 -DARDUINO_USB_MODE=1
 ; upload_protocol = espota
-upload_port = 192.168.2.136
+; upload_port = 192.168.2.136
+upload_port = 192.168.2.147
+; upload_port = 192.168.2.128
 ;board_build.partitions = huge_app.csv
 board_build.partitions = min_spiffs.csv
 
diff --git a/src/main.cpp b/src/main.cpp
index f43eabd..e969d24 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1,3 +1,4 @@
+// #include <stdio.h>
 #include <Arduino.h>
 /*Program to use GATT service on ESP32 to send Battery Level
  * ESP32 works as server - Mobile as client
@@ -19,8 +20,13 @@
 #include <WiFi.h>
 #include <WiFiUdp.h>
 
+
+
+// #define STATUS_LED 13
 #define STATUS_LED 13
-#define ALARM_LED 33
+// #define ALARM_LED GPIO_NUM_2
+#define ALARM_LED GPIO_NUM_8
+
 #define MODE_ADDRESS 0
 #define MODE_BLE 0
 #define MODE_WIFI 1
@@ -97,6 +103,8 @@ class MyAlarmCallback : public BLECharacteristicCallbacks {
 void InitBLE() {
     BLEDevice::init("OilCheck");
 
+    Serial.println("Start BLE");
+
     // Create the BLE Server
     BLEServer * pServer = BLEDevice::createServer();
     pServer->setCallbacks(new MyServerCallbacks());
@@ -130,7 +138,9 @@ void IRAM_ATTR onTimer() {
 }
 
 void setup() {
-    Serial.begin(115200);
+    Serial.begin(9600);
+    // delay(3000);
+    // // Serial.println("Hallo Welt");
 
     EEPROM.begin(EEPROM_SIZE);
 
@@ -150,10 +160,14 @@ void setup() {
 
         // blink led
         pinMode(ALARM_LED, OUTPUT);
+        digitalWrite(ALARM_LED, HIGH);
+        // delay(1000);
+        // digitalWrite(ALARM_LED, LOW);
+        // delay(1000);
+        // digitalWrite(ALARM_LED, HIGH);
         // status led
-        pinMode(STATUS_LED, OUTPUT);
+        // pinMode(STATUS_LED, OUTPUT);
 
-        Serial.println("Start BLE");
         InitBLE();
     }
     else if (mode == MODE_WIFI) {
@@ -212,12 +226,12 @@ void setup() {
     }
 
     // WiFi.mode(WIFI_STA);
-    // WiFi.begin(ssid, password);
-    // while (WiFi.waitForConnectResult() != WL_CONNECTED) {
-    //     delay(3000);
-    //     break;
-    // }
-    // ArduinoOTA.begin();
+    WiFi.begin(ssid, password);
+    while (WiFi.waitForConnectResult() != WL_CONNECTED) {
+        delay(3000);
+        break;
+    }
+    ArduinoOTA.begin();
 }
 
 // toggles pin and returns new state of pin
@@ -320,13 +334,13 @@ void loop() {
             // do stuff here on connecting
             oldDeviceConnected = deviceConnected;
 
-            digitalWrite(ALARM_LED, HIGH);
-            delay(200);
             digitalWrite(ALARM_LED, LOW);
             delay(200);
             digitalWrite(ALARM_LED, HIGH);
             delay(200);
             digitalWrite(ALARM_LED, LOW);
+            delay(200);
+            digitalWrite(ALARM_LED, HIGH);
 
         }