diff --git a/ExtSens/platformio.ini b/ExtSens/platformio.ini
index 32ff53e..bd66ae7 100644
--- a/ExtSens/platformio.ini
+++ b/ExtSens/platformio.ini
@@ -12,3 +12,5 @@
 platform = atmelavr
 board = pro8MHzatmega328
 framework = arduino
+monitor_speed = 115200
+lib_deps = enjoyneering/AHT10@^1.1.0
diff --git a/ExtSens/src/main.cpp b/ExtSens/src/main.cpp
index 13b7473..b6878b3 100644
--- a/ExtSens/src/main.cpp
+++ b/ExtSens/src/main.cpp
@@ -1,10 +1,68 @@
 #include <Arduino.h>
 
+#define MY_DEBUG
+#define MY_RADIO_RF24
+#define MY_RF24_PA_LEVEL RF24_PA_HIGH
+#include <MySensors.h>
+#include <AHT10.h>
+
+uint32_t cRun;
+int BATTERY_SENSE_PIN = A0;
+int sensorValue, batteryPcnt;
+float v;
+int oldBatteryPcnt = 0;
+
+void presentation();
+MyMessage msgTemp(0, V_TEMP);
+MyMessage msgHum(1, V_HUM);
+MyMessage msgMillis(2, V_VAR1);
+MyMessage msgVolts(2, V_VAR2);
+
+AHT10 myAHT10(AHT10_ADDRESS_0X38);
 
 void setup() {
-  // put your setup code here, to run once:
+  analogReference(INTERNAL);
+  sensorValue = analogRead(BATTERY_SENSE_PIN);
+  v = sensorValue * 0.004659498;
+  batteryPcnt = (v * 100) / 4.2;
+  while (myAHT10.begin() != true)
+  {
+    Serial.println(F("AHT10 not connected or fail to load calibration coefficient")); //(F()) save string to flash & keeps dynamic memory free
+    delay(5000);
+  }
+  Serial.println(F("AHT10 OK"));
+  Serial.print(F("Temperature: ")); Serial.print(myAHT10.readTemperature(AHT10_FORCE_READ_DATA)); Serial.println(F(" +-0.3C"));
+  Serial.print(F("Humidity...: ")); Serial.print(myAHT10.readHumidity(AHT10_USE_READ_DATA));      Serial.println(F(" +-2%"));
+
+  cRun = millis();
+  send(msgMillis.set(cRun));
 }
 
 void loop() {
-  // put your main code here, to run repeatedly:
-}
\ No newline at end of file
+    float temp, hum;
+    if((cRun + 29999) < millis()){
+      cRun = millis();
+      temp = myAHT10.readTemperature(AHT10_FORCE_READ_DATA);
+      hum = myAHT10.readHumidity(AHT10_USE_READ_DATA);
+      Serial.print(F("Temperature: ")); Serial.print(temp); Serial.println(F(" +-0.3C"));
+      Serial.print(F("Humidity...: ")); Serial.print(hum);  Serial.println(F(" +-2%"));
+      if (temp < 200){
+        send(msgTemp.set(temp, 1));
+        send(msgHum.set(hum, 1));
+      }
+      send(msgMillis.set(cRun));
+      sensorValue = analogRead(BATTERY_SENSE_PIN);
+      v = sensorValue * 0.004659498;
+      batteryPcnt = (v * 100) / 4.2;
+      sendBatteryLevel(batteryPcnt);
+      send(msgVolts.set(v, 2));
+    }
+}
+
+void presentation()
+{
+	sendSketchInfo("ExtSens", "1.2");
+	present(0, S_TEMP, "Temp");
+	present(1, S_HUM, "Humid");
+	present(2, S_CUSTOM, "ESMillis");
+}