Fixes for WDT issues.

WLAN_Thermometer.ino

@@ -34,7 +34,7 @@
 #define DHTTYPE               DHT22
 #define FIRST_MIN_MAX         300000  // = 5 min
 #define HTML_RELOAD_PAGE_SECS 30
-#define WDT_TIMEOUT           30
+#define WDT_TIMEOUT           300
 
 LiquidCrystal_I2C lcd(LCD_I2C_ADDR, LCD_COL, LCD_ROW);
 looper sched;
@@ -65,6 +65,7 @@ void setup()
   bool ap_reset_last_state;
 
   esp_task_wdt_init(WDT_TIMEOUT, true);
+  watchdog_reset();
   esp_task_wdt_add(NULL);
 
   pinMode(AP_DATA_RESET_PIN, INPUT_PULLDOWN);
@@ -166,7 +167,7 @@ void setup()
   sched.addJob(show_time, KRATE_TIME);
   sched.addJob(check_reset_ap_data, KRATE_RESET_AP_DATA);
   sched.addJob(check_datetime, KRATE_CHECK_DATETIME);
-  sched.addJob(watchdog_reset, WDT_TIMEOUT / 3);
+  sched.addJob(watchdog_reset, WDT_TIMEOUT / 10);
 
   get_sensor_data();
   temp[MIN] = temp[ACT];