diff --git a/platformio.ini b/platformio.ini
index 1e11206..92b14af 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -10,7 +10,7 @@
 
 [platformio]
 globallib_dir = lib
-default_envs =   NerminerV2 ;, ESP32-devKitv1 TTGO-T-Display
+default_envs =   NerminerV2, ESP32-devKitv1; TTGO-T-Display
 
 [env:NerminerV2]
 platform = espressif32
@@ -42,7 +42,7 @@ lib_deps =
 	https://github.com/tzapu/WiFiManager.git
 	mathertel/OneButton @ ^2.0.3
 	arduino-libraries/NTPClient
-	https://github.com/golden-guy/Arduino_wolfssl.git#v5.5.4
+	;https://github.com/golden-guy/Arduino_wolfssl.git#v5.5.4
 
 
 [env:ESP32-devKitv1]
@@ -60,12 +60,10 @@ upload_speed = 115200
 # 2 x 4.5MB app, 6.875MB SPIFFS
 ;board_build.partitions = large_spiffs_16MB.csv
 ;board_build.partitions = default_8MB.csv
-;board_build.partitions = huge_app.csv
-board_build.partitions = default.csv
+board_build.partitions = huge_app.csv
+;board_build.partitions = default.csv
 	
 build_flags = 
-	-D ARDUINO_USB_MODE=1
-	-U FREERTOS
 	;-D DEBUG_MINING=1
 lib_deps = 
 	https://github.com/takkaO/OpenFontRender
@@ -73,11 +71,11 @@ lib_deps =
 	https://github.com/tzapu/WiFiManager.git
 	mathertel/OneButton @ ^2.0.3
 	arduino-libraries/NTPClient
-	https://github.com/golden-guy/Arduino_wolfssl.git#v5.5.4
+	;https://github.com/golden-guy/Arduino_wolfssl.git#v5.5.4
 
 [env:TTGO-T-Display]
 platform = espressif32
-board = esp-wrover-kit
+board = esp32dev ;esp-wrover-kit
 framework = arduino
 monitor_filters = 
 	esp32_exception_decoder
@@ -92,7 +90,6 @@ upload_speed = 115200
 board_build.partitions = huge_app.csv
 	
 ;build_flags = 
-;	-D ARDUINO_USB_MODE=1
 	;-D DEBUG_MINING=1
 lib_deps = 
 	https://github.com/takkaO/OpenFontRender
diff --git a/src/mining.cpp b/src/mining.cpp
index 5a0adc5..ecfd283 100644
--- a/src/mining.cpp
+++ b/src/mining.cpp
@@ -3,7 +3,7 @@
 #include <WiFi.h>
 #include <esp_task_wdt.h>
 #include <TFT_eSPI.h> // Graphics and font library for ILI9341 driver chip
-#include <wolfssl/wolfcrypt/sha256.h>
+//#include <wolfssl/wolfcrypt/sha256.h>
 #include "ShaTests/nerdSHA256.h"
 #include "media/Free_Fonts.h"
 #include "media/images.h"
@@ -43,10 +43,10 @@ monitor_data mMonitor;
 bool isMinerSuscribed = false;
 unsigned long mLastTXtoPool = millis();
 
-void checkPoolConnection(void) {
+bool checkPoolConnection(void) {
   
   if (client.connected()) {
-    return;
+    return true;
   }
   
   isMinerSuscribed = false;
@@ -65,7 +65,10 @@ void checkPoolConnection(void) {
     WiFi.hostByName(poolString, serverIP);
     Serial.printf("Resolved DNS got: %s\n", serverIP.toString());
     vTaskDelay(1000 / portTICK_PERIOD_MS);
+    return true;
   }
+
+  return false;
 }
 
 //Implements a socketKeepAlive function and 
@@ -140,7 +143,9 @@ void runStratumWorker(void *name) {
     //portNumber = 3333;
     //strcpy(btcString,"test");
 
-    checkPoolConnection();
+    if(!checkPoolConnection())
+      //If server not reachable add 5sec delay bettween connection petitions
+      vTaskDelay(5000 / portTICK_PERIOD_MS); 
 
     if(!isMinerSuscribed){