diff --git a/IMU_tracking/IMU_tracking.ino b/IMU_tracking/IMU_tracking.ino
deleted file mode 100644
index 8969af2..0000000
--- a/IMU_tracking/IMU_tracking.ino
+++ /dev/null
@@ -1,98 +0,0 @@
-#include <MPU9250_asukiaaa.h>
-#include <ArduinoJson.h>
-#ifdef _ESP32_HAL_I2C_H_
-#define SDA_PIN 4
-#define SCL_PIN 5
-#endif
-
-MPU9250_asukiaaa mySensor;
-float aX, aY, aZ, aSqrt, gX, gY, gZ, mDirection, mX, mY, mZ;
-String magnometer;
-String accelarator;
-String gyroscope;
-String sensorID;
-
-void setup() {
-  Serial.begin(9600);
-  while(!Serial);
-  Serial.println("started");
- 
- 
-#ifdef _ESP32_HAL_I2C_H_ // For ESP32
-  Wire.begin(SDA_PIN, SCL_PIN);
-  mySensor.setWire(&Wire);
-#endif
-
-  mySensor.beginAccel();
-  mySensor.beginGyro();
-  mySensor.beginMag();
-
-  // You can set your own offset for mag values
-  // mySensor.magXOffset = -50;
-  // mySensor.magYOffset = -55;
-  // mySensor.magZOffset = -10;
-}
-
-void loop() {
-  StaticJsonDocument<200> ID;
-  StaticJsonDocument<200> accelarator;
-  StaticJsonDocument<200> gyroscope;
-  StaticJsonDocument<200> magnometer;
-  uint8_t sensorId;
-  if (mySensor.readId(&sensorId) == 0) {
-     ID["Sensor"] = "=== 10 DOF IMU Sensor V2 ===";
-     ID["ID"] = sensorId;
-   //serializeJson(ID, Serial);
-   // Serial.println("sensorId: " + String(sensorId));
-  } else {
-    Serial.write("Cannot read sensorId");
-  }
-
-  if (mySensor.accelUpdate() == 0) {
-    aX = mySensor.accelX();
-    aY = mySensor.accelY();
-    aZ = mySensor.accelZ();
-    aSqrt = mySensor.accelSqrt();
-     accelarator["sensor"] = "accelarator";
-     accelarator["X"] = aX;
-     accelarator["Y"] = aY;
-     accelarator["Z"] = aZ;
-     //serializeJsonPretty(accelarator, Serial);
-  } else {
-    Serial.write("Cannod read accel values");
-  }
-
-  if (mySensor.gyroUpdate() == 0) {
-    gX = mySensor.gyroX();
-    gY = mySensor.gyroY();
-    gZ = mySensor.gyroZ();
-     gyroscope["sensor"] = "gyroscope";
-     gyroscope["X"] = gX;
-     gyroscope["Y"] = gY;
-     gyroscope["Z"] = gZ;
-     //serializeJsonPretty(gyroscope, Serial);
- 
-  } else {
-    //Serial.println("Cannot read gyro values");
-    Serial.write("Cannot read gyro values");
-  }
-
-  if (mySensor.magUpdate() == 0) {
-    mX = mySensor.magX();
-    mY = mySensor.magY();
-    mZ = mySensor.magZ();
-    mDirection = mySensor.magHorizDirection();
-     magnometer["sensor"] = "magnometer";
-     magnometer["X"] = gX;
-     magnometer["Y"] = gY;
-     magnometer["Z"] = gZ;
-     magnometer["Direction"] = mDirection;
-    serializeJsonPretty(magnometer, Serial);
-   
-  } else {
-    Serial.write("Cannot read mag values");
-   
-  }
-  //Serial.write("Hello World!");   
-  delay(2000);
-}
diff --git a/iot/api/insert.php b/iot/api/insert.php
deleted file mode 100644
index 48893c7..0000000
--- a/iot/api/insert.php
+++ /dev/null
@@ -1,65 +0,0 @@
-<?php
-$servername = "localhost";
-$username = "root";
-$password = "root";
-$dbname = "tracking_2d";
-$tableName = "records";
-$dataFileName = "../data/results2.txt";
-
-// Create connection
-$conn = new mysqli($servername, $username, $password, $dbname);
-// Check connection
-if ($conn->connect_error) {
-    die("Connection failed: " . $conn->connect_error);
-}
-
-
-
-
-// $fn = fopen("myfile.txt", "r");
-// $result = fgets($fn);
-// echo $result;
-// fclose($fn);
-
-$handle = fopen($dataFileName, "r");
-if ($handle) {
-    $text="";
-    $counter = 0;
-    while (($line = fgets($handle)) !== false) {
-        // process the line read.
-        if (substr($line, 0, 1) === '[') { //Remove the first '['
-            $line = substr($line, 1);
-        }
-        if (substr($line, -1, 1) === ']') { //Remove the last ']'
-            $line = substr($line, 0, -1);
-        }
-        if (substr($line, -3, 1) === ',') { //Remove the ',\n'
-            $line = substr($line, 0, -3);
-        }
-
-        //insert record in database
-        $sql = "INSERT INTO " . $tableName . " (data, test_name) VALUES ('".$line."', 'TEST_1')";
-        if ($conn->query($sql) === TRUE) {
-            $text = $text."Line ".$counter."added\n";
-        } else {
-            $text = $text . "Line " . $counter . "NOT added\n";
-        }
-        $counter++;
-    }
-    
-    fclose($handle);
-    
-    echo $text;
-} else {
-    echo "Error opening file";
-} 
-
-
-
-// if ($conn->query($sql) === TRUE) {
-//     echo "New record created successfully";
-// } else {
-//     echo "Error: " . $sql . "<br>" . $conn->error;
-// }
-
-$conn->close();
\ No newline at end of file
diff --git a/iot/index.html b/iot/index.html
index b7a249d..2479f27 100644
--- a/iot/index.html
+++ b/iot/index.html
@@ -1,10 +1,13 @@
 <html>
   <head>
     <script src="p5.min.js"></script>
-    <script src="sketch-test2D.js"></script>
+    <script src="sketch-2D.js"></script>
     <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>
     <script src="Helper.js"></script>
     <style>
+      body{
+        background-color: #d0d0d0;
+      }
       .wrapper{
           padding: 10px;
       }
diff --git a/iot/sketch-test2D.js b/iot/sketch-2D.js
similarity index 66%
rename from iot/sketch-test2D.js
rename to iot/sketch-2D.js
index c427b94..3ee8815 100644
--- a/iot/sketch-test2D.js
+++ b/iot/sketch-2D.js
@@ -1,11 +1,3 @@
-/*
- *  rootApostolos
- *  P5js example 
- *  IMU  2D
- *  
- * 
- * 
- */
 var dataObjects = [];
 var objectIndex = 0;
 var debugFlag = true;
@@ -37,7 +29,6 @@ var coordinatesTranformationStep = 300;
 var endFlagMessage = true;
 // Put any asynchronous data loading in preload to complete before "setup" is run
 function preload() {
-	// data = loadJSON(file);
 }
 
 function setup() {
@@ -57,16 +48,12 @@ function setup() {
 	endFlagMessage = true;
 	transformJsonDataToObject();
 	createCanvas(canvasX, canvasY);
-
-	// createCanvas(canvasX, canvasY, WEBGL);
-	// camera(450, 300, 0);
 	frameRate(10);  //This must the same as collect data frequency
 }
   
 function draw() {
 	if(start){
-		// move();
-		move2();
+		move();
 	
 		background(100, 100, 100);
 	  
@@ -74,7 +61,6 @@ function draw() {
 		if (bubbles[bubbles.length - 1].x > canvasX){
 			xTranform -= coordinatesTranformationStep;
 			for (var i = 0; i < bubbles.length; i++) {
-				// bubbles[i].x += xTranform;
 				bubbles[i].x -= coordinatesTranformationStep;
 			}
 		}
@@ -82,7 +68,6 @@ function draw() {
 		if (bubbles[bubbles.length - 1].x < 0){
 			xTranform += coordinatesTranformationStep;
 			for (var i = 0; i < bubbles.length; i++) {
-				// bubbles[i].x += xTranform;
 				bubbles[i].x += coordinatesTranformationStep;
 			}
 		}
@@ -110,15 +95,9 @@ function draw() {
 			}
 	
 		}
-	
-		//============= 2 END ==================
-
 	}
 }
 
-
-	
-
 // Bubble class
 class Bubble {
 	constructor(x, y, diameter) {
@@ -141,13 +120,8 @@ class Bubble {
 			line(xx1, yy1, xx2, yy2);
 			xx1 = xx2;
 			yy1 = yy2;
-			//https://el.wikipedia.org/wiki/%CE%91%CE%BA%CF%84%CE%AF%CE%BD%CE%B9%CE%BF_(%CE%BC%CE%BF%CE%BD%CE%AC%CE%B4%CE%B1_%CE%BC%CE%AD%CF%84%CF%81%CE%B7%CF%83%CE%B7%CF%82)
-			// https://stackoverflow.com/questions/12959237/get-point-coordinates-based-on-direction-and-distance-vector
-			// ihttps://en.wikipedia.org/wiki/Euler_angles#Geometrical_definition
-			//angleMode(DEGREES);
 			angleMode(RADIANS);
 			v.rotate(Math.PI - anglesX);
-			//v.rotate(XXX); 
 			stroke(255, 0, 0);
 			line(xx1, yy1, xx1 + v.x, yy1 + v.y);
 			ellipse(this.x, this.y, this.diameter, this.diameter);
@@ -155,49 +129,29 @@ class Bubble {
 	}
 }
 
-function move2(){
+function move(){
 
 	if(objectIndex < dataObjects.length){
 
 		var diameter = 5;
 	
 		//calculate DX, DY and DZ
-		  let aX = dataObjects[objectIndex].accelerator.X * G;
-		  let aY = dataObjects[objectIndex].accelerator.Y * G;
-		  let aZ = dataObjects[objectIndex].accelerator.Z * G;
-	  
-		  AX=AX+aX*dt; 			// new position X
-		  AY=AY+aY*dt;			// new position Y
-	  
-		  let gX = dataObjects[objectIndex].gyroscope.X * dt;
-		  let gY = dataObjects[objectIndex].gyroscope.Y * dt;
-		  let gZ =  dataObjects[objectIndex].gyroscope.Z * dt;
-	  
-		  anglesZ  = Math.acos((-gY)/(Math.pow(1-Math.pow(gZ,2),0.5)));
-		  //peristrofi ston x axona mikos
-		  anglesX=acos(gZ);
-		  //peristrofi ston y axona
-		  anglesY=acos(gX/(Math.pow(1-pow(gZ,2),0.5)));
-	
-	//========================== WHAT IS THAT??? ======================
-	//  // {"sensor":"magnometer","X":-0.000647,"Y":-0.000583,"Z":0.000652}
-	//   var iii=i+2
-	//   mX = dataObjects[objectIndex].magnometer.X;
-	//   mY = dataObjects[objectIndex].magnometer.Y;
-	//   mZ = dataObjects[objectIndex].magnometer.Z;
-	//   sensor = data[iii].sensor;
+		let aX = dataObjects[objectIndex].accelerator.X * G;
+		let aY = dataObjects[objectIndex].accelerator.Y * G;
+		let aZ = dataObjects[objectIndex].accelerator.Z * G;
 	
+		AX=AX+aX*dt; 			// new position X
+		AY=AY+aY*dt;			// new position Y
 	
-	//   var anglesXX = anglesX * 180 / Math.PI;
+		let gX = dataObjects[objectIndex].gyroscope.X * dt;
+		let gY = dataObjects[objectIndex].gyroscope.Y * dt;
+		let gZ =  dataObjects[objectIndex].gyroscope.Z * dt;
 	
-	
-	//   BX=BX+aX*3;
-	//   BY=BY+aY*3;
-	
-	//   CX=CX+aX*3;
-	//   CY=CY+aY*3;
-	//=================================================================
-	  
+		anglesZ  = Math.acos((-gY)/(Math.pow(1-Math.pow(gZ,2),0.5)));
+		//peristrofi ston x axona mikos
+		anglesX=acos(gZ);
+		//peristrofi ston y axona
+		anglesY=acos(gX/(Math.pow(1-pow(gZ,2),0.5)));
 	
 		currentBubble = new Bubble(AX + xTranform, AY + yTranform, diameter);
 		bubbles.push(currentBubble);
@@ -243,11 +197,6 @@ class SensorData{
 	}
 }
 
-function moveWindowRight(xMove){
-	for (var i = 0; i < bubbles.length; i++) {
-		bubbles[i].x = bubbles[i].x - xMove;
-	}
-}
 function debug(msg){
 	console.log("============ DEBUG ===============");
 	console.log(msg);