diff --git a/STM32F1/libraries/Serasidis_XPT2046_touch/README.md b/STM32F1/libraries/Serasidis_XPT2046_touch/README.md
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+Description
+---
+
+A simple **XPT2046** Touch Screen library for STM32 micro-controllers.
+
+* The first example sketch (**TouchTest.ino**) checks if the touch screen has been pressed and prints the X,Y coordinates on the Serial port 1.
+* The second example sketch (**TouchButtons.ino**) creates some virtual buttons defined by the user.
+
+Copyright (c) 03 December 2015 by **Vassilis Serasidis**
+
+Home: http://www.serasidis.gr , https://github.com/Serasidis
+
+The library is written for STM32duino (http://stm32duino.com)
+
+```
+ //Create 4*2=8 virtual buttons
+ #define LINES     2 //Divide the touch screen into 2 lines
+ #define COLUMNS   4 //Divide the touch screen into 4 columns
+
+```
+
+
+Screenshot of the Serial port 1 (TouchButtons.ino)
+```
+-------------------------------------------------
+XPT2046 touch screen buttons
+Copyright (c) 02 Dec 2015 by Vassilis Serasidis
+Home: http://www.serasidis.gr
+-------------------------------------------------
+Button: 1
+X: 1097
+Y: 800
+
+Button: 2
+X: 3455
+Y: 617
+
+Button: 3
+X: 684
+Y: 1483
+
+Button: 4
+X: 3412
+Y: 1198
+
+Button: 5
+X: 860
+Y: 2395
+
+Button: 6
+X: 3353
+Y: 2355
+
+```
+
+PIN Connections between XPT2046 and STM32F103
+----
+| XPT2046 | STM32F103 |
+|:------:|:-----:|
+|T_DO|PA6|
+|T_DIN|PA7|
+|T_CS|PA3|
+|T_CLK|PA5|
+
+Selecting the SPI port number and Chip Select pin
+----
+Can be used other SPI port than the default SPI1 port. Just select the SPI port you want by replacing the following line into the sketch:
+
+```
+SPIClass mySPI(1); //Create an SPI instance on SPI1 port.
+//SPIClass mySPI(2); //Create an SPI instance on SPI2 port.
+```
+
+The Chip select pin can be defined by the user also.
+
+```
+#define CS_PIN  PA3  // The pin PA3 has been chosen as Chip Select pin.
+```
diff --git a/STM32F1/libraries/Serasidis_XPT2046_touch/examples/TouchButtons/TouchButtons.ino b/STM32F1/libraries/Serasidis_XPT2046_touch/examples/TouchButtons/TouchButtons.ino
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+++ b/STM32F1/libraries/Serasidis_XPT2046_touch/examples/TouchButtons/TouchButtons.ino
@@ -0,0 +1,60 @@
+/**
+ * XPT2046 touch screen buttons.
+ *
+ * It divides the touch screen into COLUMNS * LINES areas (4*2=8 buttons) and creates virtual buttons.   
+ * if the touch screen area is pressed and prints on Serial Port 1 the X,Y coordinates.
+ *
+ * Copyright (c) 02 Dec 2015 by Vassilis Serasidis
+ * Home: http://www.serasidis.gr
+ * email: avrsite@yahoo.gr
+ *
+ * The sketch example has been created for using it with STM32Duino (http://www.stm32duino.com)
+ *
+ * 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 NON INFRINGEMENT. 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 "XPT2046_touch.h"
+#include <SPI.h>;
+
+#define CS_PIN  PA3  // Chip Select pin
+#define LINES     2
+#define COLUMNS   4
+
+SPIClass mySPI(1); //Create an SPI instance on SPI1 port.
+XPT2046_touch ts(CS_PIN, mySPI); // Chip Select pin, SPI port
+
+uint16_t xy[2];
+
+void setup() {
+  Serial1.begin(9600);
+  Serial1.println("-------------------------------------------------");
+  Serial1.println("XPT2046 touch screen buttons");
+  Serial1.println("Copyright (c) 02 Dec 2015 by Vassilis Serasidis");
+  Serial1.println("Home: http://www.serasidis.gr");
+  Serial1.println("-------------------------------------------------");
+  ts.begin(); //Begin TouchScreen.
+  ts.setButtonsNumber(COLUMNS, LINES); //Divide the Touch screen area into 4 columns and 2 lines and make them act as buttons. 
+}
+
+void loop() {
+  if(ts.read_XY(xy)){ //If the touch screen is preesed, read the X,Y coordinates and print them on Serial port.
+    uint8_t buttonNumber = ts.getButtonNumber();
+    if(buttonNumber > 0){
+      Serial1.print("Button: ");
+      Serial1.println(buttonNumber);
+      
+      Serial1.print("X: ");
+      Serial1.println(xy[0]); //Print X value
+      Serial1.print("Y: ");
+      Serial1.println(xy[1]); //Print Y value
+      Serial1.println();
+    }
+    delay(500);
+  }
+}
\ No newline at end of file
diff --git a/STM32F1/libraries/Serasidis_XPT2046_touch/examples/TouchTest/TouchTest.ino b/STM32F1/libraries/Serasidis_XPT2046_touch/examples/TouchTest/TouchTest.ino
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+++ b/STM32F1/libraries/Serasidis_XPT2046_touch/examples/TouchTest/TouchTest.ino
@@ -0,0 +1,51 @@
+/**
+ * XPT2046 Touch Screen Controller example.
+ * 
+ * It checks if the touch screen area is pressed and prints on Serial Port 1 the X,Y coordinates.
+ *
+ * Copyright (c) 02 Dec 2015 by Vassilis Serasidis
+ * Home: http://www.serasidis.gr
+ * email: avrsite@yahoo.gr
+ *
+ * The sketch example has been created for using it with STM32Duino (http://www.stm32duino.com)
+ *
+ * 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 NON INFRINGEMENT. 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 "XPT2046_touch.h"
+#include <SPI.h>;
+
+#define CS_PIN PA3 // Chip Select pin
+
+SPIClass mySPI(1); //Create an SPI instance on SPI1 port.
+XPT2046_touch ts(CS_PIN, mySPI); // Chip Select pin, SPI port
+
+uint16_t xy[2];
+
+void setup() {
+  Serial1.begin(9600);
+  Serial1.println("-------------------------------------------------");
+  Serial1.println("XPT2046 example sketch");
+  Serial1.println("Copyright (c) 02 Dec 2015 by Vassilis Serasidis");
+  Serial1.println("Home: http://www.serasidis.gr");
+  Serial1.println("-------------------------------------------------");
+  ts.begin(); //Begin TouchScreen.
+
+}
+
+void loop() {
+  if(ts.read_XY(xy)){ //If the touch screen is preesed, read the X,Y coordinates and print them on Serial port.
+    Serial1.print("X: ");
+    Serial1.println(xy[0]); //Print X value
+    Serial1.print("Y: ");
+    Serial1.println(xy[1]); //Print Y value
+    Serial1.println();
+    delay(500);
+  }
+}
\ No newline at end of file
diff --git a/STM32F1/libraries/Serasidis_XPT2046_touch/keywords.txt b/STM32F1/libraries/Serasidis_XPT2046_touch/keywords.txt
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+++ b/STM32F1/libraries/Serasidis_XPT2046_touch/keywords.txt
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+#######################################
+# Syntax Coloring Map For XPT2046_touch
+#######################################
+
+#######################################
+# Datatypes (KEYWORD1)
+#######################################
+
+XPT2046_touch	KEYWORD1
+
+#######################################
+# Methods and Functions (KEYWORD2)
+#######################################
+
+begin	KEYWORD2
+setButtonsNumber	KEYWORD2
+getButtonNumber	KEYWORD2
+read_XY	KEYWORD2
+
+#######################################
+# Instances (KEYWORD2)
+#######################################
+
+
+#######################################
+# Constants (LITERAL1)
+#######################################
diff --git a/STM32F1/libraries/Serasidis_XPT2046_touch/library.properties b/STM32F1/libraries/Serasidis_XPT2046_touch/library.properties
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+++ b/STM32F1/libraries/Serasidis_XPT2046_touch/library.properties
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+name=Serasidis_XPT2046_touch
+version=1.0
+author=Vasillis Serasidis.
+email=avrsite@yahoo.gr
+sentence=A simple XPT2046 Touch screen driver
+paragraph=A simple XPT2046 Touch screen driver
+url=http://wwww.serasidis.gr
+architectures=STM32F1
diff --git a/STM32F1/libraries/Serasidis_XPT2046_touch/src/XPT2046_touch.cpp b/STM32F1/libraries/Serasidis_XPT2046_touch/src/XPT2046_touch.cpp
new file mode 100644
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--- /dev/null
+++ b/STM32F1/libraries/Serasidis_XPT2046_touch/src/XPT2046_touch.cpp
@@ -0,0 +1,88 @@
+/**
+ *
+ *
+ */
+
+
+
+#include "Arduino.h"
+#include "XPT2046_touch.h"
+
+
+/****************************************************************************/
+  XPT2046_touch::XPT2046_touch(uint8_t _cs_pin, SPIClass _spiChan) : cs_pin(_cs_pin), my_SPI(_spiChan){
+  }
+
+
+/****************************************************************************/
+
+  void XPT2046_touch::begin(){
+    pinMode(cs_pin, OUTPUT);
+    digitalWrite(cs_pin, HIGH);
+    my_SPI.begin();
+  }
+
+  /****************************************************************************/
+
+  boolean XPT2046_touch::read_XY(uint16_t *xy){
+    int z1, z2, tmpH, tmpL;
+    digitalWrite(cs_pin, LOW);
+
+    //Check if touch screen is pressed.
+    SPI.transfer(B10110011); // Z1
+    delay(10);
+    tmpH = (my_SPI.transfer(0) << 5);
+    tmpL = (my_SPI.transfer(0) >> 3);
+    z1 = tmpH | tmpL;
+
+    SPI.transfer(B11000011); // Z2
+    delay(10);
+    tmpH = (my_SPI.transfer(0) << 5);
+    tmpL = (my_SPI.transfer(0) >> 3);
+    z2 = tmpH | tmpL;
+   
+    if((z2 - z1) < Z_THRESHOLD){ //If the touch screen is pressed, read the X,Y  coordinates from XPT2046.
+      my_SPI.transfer(B11010011); // X
+      delay(10);
+      tmpH = (my_SPI.transfer(0) << 5);
+      tmpL = (my_SPI.transfer(0) >> 3);
+      xy[0] =  tmpH | tmpL;
+     
+      my_SPI.transfer(B10010011); // Y
+      delay(10);
+      tmpH = (my_SPI.transfer(0) << 5);
+      tmpL = (my_SPI.transfer(0) >> 3);
+      xy[1] =  tmpH | tmpL;
+      digitalWrite(cs_pin, HIGH);
+      return true;
+    }
+    digitalWrite(cs_pin, HIGH);
+    return false;
+  }
+  
+  /****************************************************************************/
+  void XPT2046_touch::setButtonsNumber(byte columnButtons, byte rowButtons ){
+      _rowButtons = rowButtons;
+      _columnButtons = columnButtons;     
+  }
+  
+  /****************************************************************************/
+  uint8_t  XPT2046_touch::getButtonNumber(){
+    uint16_t xy[2];
+    uint8_t tmp, buttonNum;
+    int div;
+    
+    if(read_XY(xy)){
+      
+      div = (X_MAX + X_MIN) / (_columnButtons + 1);
+      buttonNum = ((xy[1] / div));
+      
+      div  = (Y_MAX + Y_MIN) / _rowButtons;      
+      tmp = ((xy[0] / div));
+      
+      return ((buttonNum * _rowButtons)  + tmp + 1); //Return the button number.
+    }
+
+    return 0; //Touch screen is not pressed.
+  }  
+/****************************************************************************/
diff --git a/STM32F1/libraries/Serasidis_XPT2046_touch/src/XPT2046_touch.h b/STM32F1/libraries/Serasidis_XPT2046_touch/src/XPT2046_touch.h
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--- /dev/null
+++ b/STM32F1/libraries/Serasidis_XPT2046_touch/src/XPT2046_touch.h
@@ -0,0 +1,42 @@
+/**
+ *
+ *
+ *
+ *
+ */
+
+
+#ifndef XPT2046_touch_h
+#define XPT2046_touch_h
+#include <Arduino.h>
+#include <SPI.h>
+
+#define Z_THRESHOLD   3000
+
+// Pre-defined touch screen calibration for using the 2.4" ILI9341 LCD 
+#define X_MIN          830
+#define X_MAX         3800
+#define Y_MIN          550
+#define Y_MAX         3550
+
+/**
+ *
+ */
+
+class XPT2046_touch{
+  private:
+    uint8_t  cs_pin;
+    SPIClass my_SPI;
+    uint8_t  _rowButtons = 1;
+    uint8_t  _columnButtons = 1;
+
+  public:
+    XPT2046_touch(uint8_t _cs_pin, SPIClass _spiChan); //Contructor.
+    void begin();
+    void setButtonsNumber(byte rowButtons, byte columnButtons);
+    uint8_t getButtonNumber();
+    boolean read_XY(uint16_t *xy);
+};
+
+#endif
+