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

  return crc;
}

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

  return rssi;
}

/* Init PIN */
void initPin() {
  pinMode(HOT_PIN, INPUT);
  pinMode(COLD_PIN, INPUT);
  if (EXT_POWER_CONTROL) {
    pinMode(EXT_POWER_PIN, INPUT_PULLDOWN_16);
  }
