diff --git a/Arduino/CanGrow/CanGrow.ino b/Arduino/CanGrow/CanGrow.ino
index 3999e49..99e6027 100644
--- a/Arduino/CanGrow/CanGrow.ino
+++ b/Arduino/CanGrow/CanGrow.ino
@@ -83,6 +83,7 @@
 #include "include/CanGrow_Wifi.h"
 #include "include/CanGrow_LittleFS.h"
 #include "include/CanGrow_Webserver.h"
+#include "include/CanGrow_Sensor.h"
 
 
 void setup() {
@@ -137,6 +138,31 @@ void setup() {
     Serial.println(GPIO_Index_note_descr[GPIOindex[i].note]);
   }
   
+  
+  
+  Serial.println(":: [SETUP] Sensor drivers");
+  
+  for(byte i = 0; i < SensorIndex_length; i++) {
+    Serial.print(":: [SETUP] Sensor Index ");
+    Serial.print(i);
+    Serial.print(", Name '");
+    Serial.print(SensorIndex[i].name);
+    Serial.println("'");
+    Serial.println(":: [SETUP] Readings: ");
+    for(byte j = 0; j < SENSOR_MAX_READING; j++) {
+      if(SensorIndex[i].reading[j] > 0 ) {
+        Serial.print(":: [SETUP]   - ");
+        Serial.print(j);
+        Serial.print(": ");
+        Serial.print(Sensor_Reading_descr[SensorIndex[i].reading[j]]);
+        Serial.print(" (");
+        Serial.print(SensorIndex[i].reading[j]);
+        Serial.println(")");
+      }
+    }
+  }
+  
+  
 }
 
 bool alrdySaved = false;
diff --git a/Arduino/CanGrow/include/CanGrow_Sensor.h b/Arduino/CanGrow/include/CanGrow_Sensor.h
new file mode 100644
index 0000000..34bc34d
--- /dev/null
+++ b/Arduino/CanGrow/include/CanGrow_Sensor.h
@@ -0,0 +1,115 @@
+/*
+ * 
+ * include/CanGrow_Sensor.h - sensor header file
+ * 
+ * 
+ * MIT License
+ * 
+ * Copyright (c) 2024 DeltaLima
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to 
+ * deal in the Software without restriction, including without limitation the 
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or 
+ * sell copies of the Software, and to permit persons to whom the Software is 
+ * furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included in 
+ * all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 
+ * THE SOFTWARE.
+ *
+ */
+
+
+#include "Sensor/00_ADC_builtin.h"
+
+
+// for bme280 and bme680
+#define SEALEVELPRESSURE_HPA (1013.25)
+
+// How much values can a sensor return
+const byte SENSOR_MAX_READING = 8;
+
+const byte SENSOR_READING_RAW = 1;
+const byte SENSOR_READING_TEMP = 2;
+const byte SENSOR_READING_HUMIDITY = 3;
+const byte SENSOR_READING_MOISTURE = 4;
+const byte SENSOR_READING_PRESSURE = 5;
+const byte SENSOR_READING_GAS_RESISTANCE = 6;
+
+char SENSOR_READING_RAW_descr[] = "Raw Analog";
+char SENSOR_READING_TEMP_descr[] = "Temperature °C";
+char SENSOR_READING_HUMIDITY_descr[] = "Humidity %";
+char SENSOR_READING_MOISTURE_descr[] = "Moisture %";
+char SENSOR_READING_PRESSURE_descr[] = "Pressure Pa";
+char SENSOR_READING_GAS_RESISTANCE_descr[] = "Gas resistance KOhm";
+
+const char * Sensor_Reading_descr[] = {
+  NULL, // 0 is unset
+  SENSOR_READING_RAW_descr,
+  SENSOR_READING_TEMP_descr,
+  SENSOR_READING_HUMIDITY_descr,
+  SENSOR_READING_MOISTURE_descr,
+  SENSOR_READING_PRESSURE_descr,
+  SENSOR_READING_GAS_RESISTANCE_descr,
+};
+
+
+
+struct Sensor_Index {
+  /*
+   * Sensor Index
+   * - name
+   * - readings (array, up to 8 entries)
+   *   - 0 unset
+   *   - 1 Raw
+   *   - 2 Temp
+   *   - 3 Humidity
+   *   - 4 Moisture
+   *   - 5 Pressure 
+   *   - 6 Gas restistance
+   * 
+   */
+  const char name[32];
+  byte reading[SENSOR_MAX_READING];
+};
+
+const byte SensorIndex_length = 4;
+Sensor_Index SensorIndex[] {
+  // 0 - first sensor
+  { "internal ADC", {
+    SENSOR_READING_RAW,
+  }},  
+  
+  // 1
+  { "BME280", {
+    SENSOR_READING_TEMP,
+    SENSOR_READING_HUMIDITY,
+    SENSOR_READING_PRESSURE,
+  }},
+  
+  // 2
+  { "Chirp", {
+    SENSOR_READING_MOISTURE,
+    SENSOR_READING_TEMP,
+    SENSOR_READING_RAW,    
+  }},
+  
+  // 3
+  { "AS1115", {
+    SENSOR_READING_RAW,
+    SENSOR_READING_RAW,
+    SENSOR_READING_RAW,
+    SENSOR_READING_RAW
+  }},
+  
+  // 4
+  
+};
diff --git a/Arduino/CanGrow/include/Sensor/00_ADC_builtin.h b/Arduino/CanGrow/include/Sensor/00_ADC_builtin.h
new file mode 100644
index 0000000..61a9dbe
--- /dev/null
+++ b/Arduino/CanGrow/include/Sensor/00_ADC_builtin.h
@@ -0,0 +1,28 @@
+/*
+ * 
+ * include/Sensor/00_ADC_builtin.h - sensor header for builtin ADC 
+ * 
+ * 
+ * MIT License
+ * 
+ * Copyright (c) 2024 DeltaLima
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to 
+ * deal in the Software without restriction, including without limitation the 
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or 
+ * sell copies of the Software, and to permit persons to whom the Software is 
+ * furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included in 
+ * all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 
+ * THE SOFTWARE.
+ *
+ */