Unleash the Power of Arduino Uno with 2.4-inch TFT Touch Screen LCD Shield: A Comprehensive Tutorial:-

Introduction

In the ever-evolving world of electronics and DIY projects, the Arduino Uno has emerged as a versatile and powerful microcontroller platform, captivating the hearts and minds of hobbyists, makers, and engineers alike. Today, we embark on an exciting journey to explore the seamless integration of the Arduino Uno with a 2.4-inch TFT Touch Screen LCD Shield, unlocking a world of possibilities for your creative endeavors.

Getting Started: Setting Up the Arduino Uno and TFT Touch Screen LCD Shield

Before we dive into the project, let's ensure that we have all the necessary components and set up the Arduino Uno and TFT Touch Screen LCD Shield properly. Here's what you'll need:

Arduino Uno board
2.4-inch TFT Touch Screen LCD Shield
Stylus pen (included with the TFT Touch Screen LCD Shield)
Micro SD card (16GB or higher recommended)
Arduino case (optional, but recommended for a professional finish)

Step 1: Install the Required Libraries

To ensure seamless communication between the Arduino Uno and the TFT Touch Screen LCD Shield, we need to install a few essential libraries. Follow these steps:

Open the Arduino IDE and navigate to the "Sketch" menu.
Select "Include Library" and then "Manage Libraries".
In the Library Manager, search for the following libraries and install them:
- Adafruit GFX Library
- Adafruit ILI9341 Library
- Adafruit STMPE610 Library

Step 2: Connect the TFT Touch Screen LCD Shield to the Arduino Uno

Carefully align the TFT Touch Screen LCD Shield with the Arduino Uno and gently press it down until it is securely in place. Make sure the power pins on the shield are connected to the corresponding pins on the Arduino Uno.

Step 3: Insert the Micro SD Card

Insert the micro SD card into the slot on the TFT Touch Screen LCD Shield. Ensure that the card is locked in place and ready for use.</

👉Libraries And codes file download👈

Coding the Arduino Uno: Unleashing the TFT Touch Screen LCD Shield's Capabilities

Now that we have the hardware set up, it's time to dive into the coding aspect of our project. We'll explore various features and functionalities of the TFT Touch Screen LCD Shield, from drawing shapes and displaying images to handling touch input and more.

Codes:-

#include <TouchScreen.h> //touch library
#include <LCDWIKI_GUI.h> //Core graphics library
#include <LCDWIKI_KBV.h> //Hardware-specific library

LCDWIKI_KBV my_lcd(240,320,A3,A2,A1,A0,A4);

#define YP A3
#define XM A2
#define YM 9
#define XP 8

//param calibration from kbv
#define TS_MINX 124
#define TS_MAXX 906

#define TS_MINY 83
#define TS_MAXY 893

// For better pressure precision, we need to know the resistance
// between X+ and X- Use any multimeter to read it
// For the one we're using, its 300 ohms across the X plate
TouchScreen ts = TouchScreen(XP, YP, XM, YM, 300);

#define BLACK 0x0000
#define BLUE 0x001F
#define RED 0xF800
#define GREEN 0x07E0
#define CYAN 0x07FF
#define MAGENTA 0xF81F
#define YELLOW 0xFFE0
#define WHITE 0xFFFF

uint16_t color_mask[] = {0xF800,0xFFE0,0x07E0,0x07FF,0x001F,0xF81F}; //color select

#define COLORBOXSIZE my_lcd.Get_Display_Width()/6
#define PENBOXSIZE my_lcd.Get_Display_Width()/4

int16_t old_color, current_color,flag_colour;
int16_t old_pen,current_pen,flag_pen;
boolean show_flag = true;

**void show_string(uint8_t str,int16_t x,int16_t y,uint8_t csize,uint16_t fc, uint16_t bc,boolean mode)
{
my_lcd.Set_Text_Mode(mode);
my_lcd.Set_Text_Size(csize);
my_lcd.Set_Text_colour(fc);
my_lcd.Set_Text_Back_colour(bc);
my_lcd.Print_String(str,x,y);
}

//show color select menu
void show_color_select_menu(void)
{
uint16_t i;
for(i = 0;i<6;i++)
{
my_lcd.Set_Draw_color(color_mask[i]);
my_lcd.Fill_Rectangle(iCOLORBOXSIZE, 0, (i+1)COLORBOXSIZE-1, COLORBOXSIZE/2-1);
}
my_lcd.Set_Draw_color(GREEN);
my_lcd.Fill_Round_Rectangle(109, 21, 138,39, 5);
show_string("OK",113,23,2,RED, BLACK,1);
}

//show pen size select menu
void show_pen_size_select_menu(void)
{
uint16_t i;
my_lcd.Set_Text_Mode(1);
my_lcd.Set_Text_Size(2);
my_lcd.Set_Text_colour(GREEN);
my_lcd.Set_Text_Back_colour(BLACK);
for(i = 0;i<4;i++)
{
my_lcd.Print_Number_Int(i+1, (PENBOXSIZE-50)/2+PENBOXSIZEi, (COLORBOXSIZE/2-16)/2, 0, ' ',10);
}
my_lcd.Set_Draw_color(RED);
my_lcd.Fill_Rectangle(24, 9, 54, 9);
my_lcd.Fill_Rectangle(84, 8, 114, 10);
my_lcd.Fill_Rectangle(144, 7, 174, 11);
my_lcd.Fill_Rectangle(204, 6, 234, 12);
my_lcd.Set_Draw_color(GREEN);
my_lcd.Fill_Round_Rectangle(109, 21, 138,39, 5);
show_string("OK",113,23,2,RED, BLACK,1);
}

//show main menu
void show_main_menu(void)
{
my_lcd.Set_Draw_color(YELLOW);
my_lcd.Fill_Round_Rectangle(5, 0, 84,39, 5);
my_lcd.Fill_Round_Rectangle(145, 0, 234,39, 5);
show_string("COLOUR",10,12,2,BLUE, BLACK,1);
show_string("PENSIZE",149,12,2,BLUE, BLACK,1);
my_lcd.Set_Draw_color(MAGENTA);
my_lcd.Fill_Round_Rectangle(90, 0, 139,39, 5);
show_string("CLR",98,12,2,WHITE, BLACK,1);
}

void setup(void)
{
Serial.begin(9600);
my_lcd.Init_LCD();
Serial.println(my_lcd.Read_ID(), HEX);
my_lcd.Fill_Screen(BLACK);
show_main_menu();
current_color = RED;
current_pen = 0;
pinMode(13, OUTPUT);
/////////////////////////////////////////////////////
}

#define MINPRESSURE 10
#define MAXPRESSURE 1000

void loop()
{
comme:
digitalWrite(13, HIGH);
TSPoint p = ts.getPoint();
digitalWrite(13, LOW);
pinMode(XM, OUTPUT);
pinMode(YP, OUTPUT);
if (p.z > MINPRESSURE && p.z < MAXPRESSURE)
{
if (p.y < (TS_MINY-5))
{
my_lcd.Set_Draw_color(BLACK);
my_lcd.Fill_Rectangle(0, COLORBOXSIZE, my_lcd.Get_Display_Width()-1, my_lcd.Get_Display_Height()-1);
}
//p.x = my_lcd.Get_Display_Width()-map(p.x, TS_MINX, TS_MAXX, my_lcd.Get_Display_Width(), 0);
//p.y = my_lcd.Get_Display_Height()-map(p.y, TS_MINY, TS_MAXY, my_lcd.Get_Display_Height(), 0);
p.x = map(p.x, TS_MINX, TS_MAXX, 0, my_lcd.Get_Display_Width());
p.y = map(p.y, TS_MINY, TS_MAXY, 0,my_lcd.Get_Display_Height());
if(p.y < COLORBOXSIZE)
{
if(((p.x>5)&&(p.x < 84))&&!flag_pen) //select color
{
flag_colour = 1;
if(show_flag)
{
my_lcd.Set_Draw_color(BLACK);
my_lcd.Fill_Rectangle(0,0,239,39);
show_color_select_menu();
}
show_flag = false;
switch(current_color)
{
case RED:
{
my_lcd.Set_Draw_color(WHITE);
my_lcd.Draw_Rectangle(0, 0, COLORBOXSIZE-1, COLORBOXSIZE/2-1);
break;
}
case YELLOW:
{
my_lcd.Set_Draw_color(WHITE);
my_lcd.Draw_Rectangle(COLORBOXSIZE, 0, 2COLORBOXSIZE-1, COLORBOXSIZE/2-1);
break;
}
case GREEN:
{
my_lcd.Set_Draw_color(WHITE);
my_lcd.Draw_Rectangle(2COLORBOXSIZE, 0, 3COLORBOXSIZE-1, COLORBOXSIZE/2-1);
break;
}
case CYAN:
{
my_lcd.Set_Draw_color(WHITE);
my_lcd.Draw_Rectangle(3COLORBOXSIZE, 0, 4COLORBOXSIZE-1, COLORBOXSIZE/2-1);
break;
}
case BLUE:
{
my_lcd.Set_Draw_color(WHITE);
my_lcd.Draw_Rectangle(4COLORBOXSIZE, 0, 5COLORBOXSIZE-1, COLORBOXSIZE/2-1);
break;
}
case MAGENTA:
{
my_lcd.Set_Draw_color(WHITE);
my_lcd.Draw_Rectangle(5COLORBOXSIZE, 0, 6COLORBOXSIZE-1, COLORBOXSIZE/2-1);
break;
}
default:
break;
}
}
if(flag_colour)
{
if(p.y < COLORBOXSIZE/2)
{
old_color = current_color;
if (p.x < COLORBOXSIZE)
{
current_color = RED;
my_lcd.Set_Draw_color(WHITE);
my_lcd.Draw_Rectangle(0, 0, COLORBOXSIZE-1, COLORBOXSIZE/2-1);
}
else if (p.x < COLORBOXSIZE2)
{
current_color = YELLOW;
my_lcd.Set_Draw_color(WHITE);
my_lcd.Draw_Rectangle(COLORBOXSIZE, 0, 2COLORBOXSIZE-1, COLORBOXSIZE/2-1);
}
else if (p.x < COLORBOXSIZE3)
{
current_color = GREEN;
my_lcd.Set_Draw_color(WHITE);
my_lcd.Draw_Rectangle(2COLORBOXSIZE, 0, 3COLORBOXSIZE-1, COLORBOXSIZE/2-1);
}
else if (p.x < COLORBOXSIZE4)
{
current_color = CYAN;
my_lcd.Set_Draw_color(WHITE);
my_lcd.Draw_Rectangle(3COLORBOXSIZE, 0, 4COLORBOXSIZE-1, COLORBOXSIZE/2-1);
}
else if (p.x < COLORBOXSIZE5)
{
current_color = BLUE;
my_lcd.Set_Draw_color(WHITE);
my_lcd.Draw_Rectangle(4COLORBOXSIZE, 0, 5COLORBOXSIZE-1, COLORBOXSIZE/2-1);
}
else if (p.x < COLORBOXSIZE6)
{
current_color = MAGENTA;
my_lcd.Set_Draw_color(WHITE);
my_lcd.Draw_Rectangle(5COLORBOXSIZE, 0, 6COLORBOXSIZE-1, COLORBOXSIZE/2-1);
}
if(old_color != current_color)
{
switch(old_color)
{
case RED:
{
my_lcd.Set_Draw_color(RED);
my_lcd.Draw_Rectangle(0, 0, COLORBOXSIZE-1, COLORBOXSIZE/2-1);
break;
}
case YELLOW:
{
my_lcd.Set_Draw_color(YELLOW);
my_lcd.Draw_Rectangle(COLORBOXSIZE, 0, 2COLORBOXSIZE-1, COLORBOXSIZE/2-1);
break;
}
case GREEN:
{
my_lcd.Set_Draw_color(GREEN);
my_lcd.Draw_Rectangle(2COLORBOXSIZE, 0, 3COLORBOXSIZE-1, COLORBOXSIZE/2-1);
break;
}
case CYAN:
{
my_lcd.Set_Draw_color(CYAN);
my_lcd.Draw_Rectangle(3COLORBOXSIZE, 0, 4COLORBOXSIZE-1, COLORBOXSIZE/2-1);
break;
}
case BLUE:
{
my_lcd.Set_Draw_color(BLUE);
my_lcd.Draw_Rectangle(4COLORBOXSIZE, 0, 5COLORBOXSIZE-1, COLORBOXSIZE/2-1);
break;
}
case MAGENTA:
{
my_lcd.Set_Draw_color(MAGENTA);
my_lcd.Draw_Rectangle(5COLORBOXSIZE, 0, 6COLORBOXSIZE-1, COLORBOXSIZE/2-1);
break;
}
default:
break;
}
}
}
else if(p.y < COLORBOXSIZE)
{
if((p.x>109)&&(p.x<138))
{
my_lcd.Set_Draw_color(BLACK);
my_lcd.Fill_Rectangle(0,0,239,39);
show_main_menu();
flag_colour = 0;
show_flag = true;
goto comme;
}
}
}
if(((p.x>145)&&(p.x < 234))&&!flag_colour) //select pen size
{
flag_pen = 1;
if(show_flag)
{
my_lcd.Set_Draw_color(BLACK);
my_lcd.Fill_Rectangle(0,0,239,39);
show_pen_size_select_menu();
}
show_flag = false;
switch(current_pen)
{
case 0:
{
my_lcd.Set_Draw_color(WHITE);
my_lcd.Draw_Rectangle(0, 0, PENBOXSIZE-1, COLORBOXSIZE/2-1);
break;
}
case 1:
{
my_lcd.Set_Draw_color(WHITE);
my_lcd.Draw_Rectangle(PENBOXSIZE, 0, 2PENBOXSIZE-1, COLORBOXSIZE/2-1);
break;
}
case 2:
{
my_lcd.Set_Draw_color(WHITE);
my_lcd.Draw_Rectangle(2PENBOXSIZE, 0, 3PENBOXSIZE-1, COLORBOXSIZE/2-1);
break;
}
case 3:
{
my_lcd.Set_Draw_color(WHITE);
my_lcd.Draw_Rectangle(3PENBOXSIZE, 0, 4PENBOXSIZE-1, COLORBOXSIZE/2-1);
break;
}
default:
break;
}
}
if(flag_pen)
{
if(p.y < COLORBOXSIZE/2)
{
old_pen = current_pen;
if(p.x < PENBOXSIZE)
{
current_pen = 0;
my_lcd.Set_Draw_color(WHITE);
my_lcd.Draw_Rectangle(0, 0, PENBOXSIZE-1, COLORBOXSIZE/2-1);
}
else if(p.x < 2PENBOXSIZE)
{
current_pen = 1;
my_lcd.Set_Draw_color(WHITE);
my_lcd.Draw_Rectangle(PENBOXSIZE, 0, 2PENBOXSIZE-1, COLORBOXSIZE/2-1);
}
else if(p.x < 3PENBOXSIZE)
{
current_pen = 2;
my_lcd.Set_Draw_color(WHITE);
my_lcd.Draw_Rectangle(2PENBOXSIZE, 0, 3PENBOXSIZE-1, COLORBOXSIZE/2-1);
}
else if(p.x < 4PENBOXSIZE)
{
current_pen = 3;
my_lcd.Set_Draw_color(WHITE);
my_lcd.Draw_Rectangle(3PENBOXSIZE, 0, 4PENBOXSIZE-1, COLORBOXSIZE/2-1);
}
if(old_pen != current_pen)
{
switch(old_pen)
{
case 0:
{
my_lcd.Set_Draw_color(BLACK);
my_lcd.Draw_Rectangle(0, 0, PENBOXSIZE-1, COLORBOXSIZE/2-1);
break;
}
case 1:
{
my_lcd.Set_Draw_color(BLACK);
my_lcd.Draw_Rectangle(PENBOXSIZE, 0, 2PENBOXSIZE-1, COLORBOXSIZE/2-1);
break;
}
case 2:
{
my_lcd.Set_Draw_color(BLACK);
my_lcd.Draw_Rectangle(2PENBOXSIZE, 0, 3PENBOXSIZE-1, COLORBOXSIZE/2-1);
break;
}
case 3:
{
my_lcd.Set_Draw_color(BLACK);
my_lcd.Draw_Rectangle(3PENBOXSIZE, 0, 4PENBOXSIZE-1, COLORBOXSIZE/2-1);
break;
}
default:
break;
}
}
}
else if(p.y < COLORBOXSIZE)
{
if((p.x>109)&&(p.x<138))
{
my_lcd.Set_Draw_color(BLACK);
my_lcd.Fill_Rectangle(0,0,239,39);
show_main_menu();
flag_pen = 0;
show_flag = true;
goto comme;
}
}
}
if(((p.x>90)&&(p.x < 139))&&!flag_colour&&!flag_pen)
{
my_lcd.Set_Draw_color(BLACK);
my_lcd.Fill_Rectangle(0,COLORBOXSIZE,my_lcd.Get_Display_Width()-1,my_lcd.Get_Display_Height()-1);
}
}
if (((p.y-current_pen) > COLORBOXSIZE) && ((p.y+current_pen) < my_lcd.Get_Display_Height())) //drawing
{
my_lcd.Set_Draw_color(current_color);
// if(1 == current_pen)
// {
// my_lcd.Draw_Pixel(p.x, p.y);
// }
// else
// {
my_lcd.Fill_Circle(p.x, p.y,current_pen);
// }**
}
}
}

Beyond the Basics: Unleashing the Full Potential of the Arduino Uno and TFT Touch Screen LCD Shield

The Arduino Uno and TFT Touch Screen LCD Shield combination opens up a world of possibilities for your projects. Let's explore some advanced use cases and ideas to inspire your creativity.

Interactive Displays and User Interfaces

The TFT Touch Screen LCD Shield can be used to create interactive displays and user interfaces for a wide range of applications, such as:

Home automation systems: Control and monitor your smart home devices through a touch-based interface.
Educational tools: Develop interactive learning aids and simulations for classrooms or workshops.
Digital signage: Create dynamic and responsive digital displays for public spaces or commercial environments.
Game controllers: Utilize the touch screen to develop custom game controllers or interfaces.

Data Visualization and Monitoring

The TFT Touch Screen LCD Shield can be an excellent tool for data visualization and monitoring. You can use it to display real-time information, charts, and graphs, such as:

Environmental sensors: Monitor temperature, humidity, air quality, and other environmental data.
Industrial automation: Visualize and control various industrial processes and parameters.
Health and fitness tracking: Create personalized fitness trackers or health monitoring systems.
Internet of Things (IoT) dashboards: Develop centralized interfaces to monitor and control IoT devices.

Creative and Artistic Applications

The TFT Touch Screen LCD Shield can also be used for creative and artistic projects, such as:

Digital art and painting: Utilize the touch screen to create digital paintings and illustrations.
Interactive installations: Develop responsive and touch-based art installations for galleries or public spaces.
Educational tools: Create interactive learning aids and simulations for art and design classes.
Prototyping and mockups: Use the touch screen to create interactive prototypes and mockups for product design.

Conclusion: Unlocking the Future with Arduino Uno and TFT Touch Screen LCD Shield

In this comprehensive tutorial, we've explored the seamless integration of the Arduino Uno with the 2.4-inch TFT Touch Screen LCD Shield, unlocking a world of possibilities for your creative and innovative projects. From setting up the hardware to coding the Arduino Uno, we've covered the essential steps to get you started.

The combination of the Arduino Uno's versatility and the TFT Touch Screen LCD Shield's interactive capabilities opens up a vast array of applications, from interactive displays and user interfaces to data visualization and creative endeavors. By leveraging the power of these technologies, you can bring your ideas to life and push the boundaries of what's possible with DIY electronics.

So, what are you waiting for? Dive in, experiment, and unleash the full potential of the Arduino Uno and TFT Touch Screen LCD Shield. The future of your projects is in your hands!

Thankyou!

How to Use Arduino Uno with 2.4 inch TFT Touch Screen LCD Shield | Easy Tutorial & Demo!