   return rssi;
 }
 
-/* init PIN */
+/* Init PIN */
 void initPin() {
   pinMode(HOT_PIN, INPUT);
-  digitalWrite(HOT_PIN, HIGH);
   pinMode(COLD_PIN, INPUT);
-  digitalWrite(COLD_PIN, HIGH);
   if (EXT_POWER_CONTROL) {
     pinMode(EXT_POWER_PIN, INPUT_PULLDOWN_16);
   }

    
}

/* received signal strength indicator in dBm */
String returnRssiStr() {
  String rssi = "WiFi: ";
  rssi += WiFi.RSSI();

  return crc;
}

/* Vcc or Battery in volt */
String returnVccStr() {
  String v = "";
  String Vcc;
