diff --git a/examples/advanced_multivariable/src/main.cpp b/examples/advanced_multivariable/src/main.cpp
index d3b37046..ceaa8241 100644
--- a/examples/advanced_multivariable/src/main.cpp
+++ b/examples/advanced_multivariable/src/main.cpp
@@ -1,7 +1,7 @@
 /**
  * @file main.cpp
  * @author Antonio Vanegas @hpsaturn
- * @date June 2018 - 2022
+ * @date June 2018 - 2023
  * @brief CanAirIO Sensorslib tests
  * @license GPL3
  * 
@@ -67,7 +67,7 @@ void powerEnableSensors() {
 
 void setup() {
     Serial.begin(115200);
-    delay(200);
+    delay(500);           // Only for debugging
     // powerEnableSensors(); // Only for special setup hardware with enable
     delay(100);
     Serial.println("\n== Sensor test setup ==\n");
@@ -75,10 +75,11 @@ void setup() {
     
     sensors.setSampleTime(10);                       // config sensors sample time interval
     sensors.setOnDataCallBack(&onSensorDataOk);      // all data read callback
-    sensors.setDebugMode(true);                      // [optional] debug mode
-    sensors.detectI2COnly(true);                     // force to only i2c sensors
+    sensors.setDebugMode(false);                     // [optional] debug mode
+    sensors.detectI2COnly(false);                    // not force to only i2c sensors
     sensors.setTemperatureUnit(TEMPUNIT::KELVIN);    // comment for Celsius or set Fahrenheit
-    sensors.init();                                  // Auto detection to UART and i2c sensors
+    // sensors.init(SENSORS::Auto, 13, 12);          // Auto detection (Custom UART sensor pins example)
+    sensors.init();                                  // Auto detection (UART and i2c sensors)
     delay(1000);
 }
 
diff --git a/src/Sensors.cpp b/src/Sensors.cpp
index d1e4293b..97fbef30 100644
--- a/src/Sensors.cpp
+++ b/src/Sensors.cpp
@@ -680,11 +680,14 @@ void Sensors::printUnitsRegistered(bool debug) {
  */
 void Sensors::printSensorsRegistered(bool debug) { 
     if (!debug) return;
-    Serial.printf("-->[SLIB] sensors count  \t: %i (", sensors_registered_count);
     int i = 0;
+    Serial.printf("-->[SLIB] sensors count  \t: %i (", sensors_registered_count);
+    if (sensors_registered_count > 0 && sensors_registered[0] == SENSORS::Auto) {
+      Serial.printf("%s,", sensors_device_names[sensors_registered[0]]);
+      i = 1;
+    }
     while (sensors_registered[i++] != 0) {
-        Serial.print(sensors_device_names[sensors_registered[i-1]]);
-        Serial.print(",");
+      Serial.printf("%s,", sensors_device_names[sensors_registered[i-1]]);
     }
     Serial.println(")");
 }
@@ -1210,7 +1213,7 @@ void Sensors::sps30Errorloop(char *mess, uint8_t r) {
  **/
 bool Sensors::sensorSerialInit(u_int pms_type, int pms_rx, int pms_tx) {
     // set UART for autodetection sensors (Honeywell, Plantower)
-    if (pms_type == Auto) {
+    if (pms_type == SENSORS::Auto) {
         DEBUG("-->[SLIB] UART detecting type\t: Auto");
         if (!serialInit(pms_type, 9600, pms_rx, pms_tx)) return false;
     }
@@ -1819,7 +1822,9 @@ void Sensors::sensorAnnounce(SENSORS sensor) {
  * dynamic calls of the sensors and its units on the GUI or implementation.
 */
 void Sensors::sensorRegister(SENSORS sensor) {
-    if (isSensorRegistered(sensor)) return;
+    if (isSensorRegistered(sensor) && sensor != SENSORS::Auto) {
+      return;
+    }
     Serial.printf("-->[SLIB] sensor registered\t: %s  \t:D\r\n", getSensorName(sensor).c_str());
     sensors_registered[sensors_registered_count++] = sensor;
 }