TFT LCD Touch Screen Shield 2.4 inch & microSD card reader for Arduino Uno

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Internal Reference: DL-025


TFT LCD Touch Screen Shield 2.4 inch & microSD card reader for Arduino Uno

A thin-film-transistor liquid-crystal display (TFT LCD) is a variant of a liquid-crystal display that uses thin-film-transistor technology to improve image qualities such as addressability and contrast. 

A TFT or active matrix display is more responsive to change. For example, when you move your mouse across the screen, a TFT display is fast enough to reflect the movement of the mouse cursor. (With a passive matrix display, the cursor temporarily disappears until the display can "catch up.")

Features of 2.4 Inch TFT LCD Touch screen:

  • 2.4" (diagonal) LCD TFT display.
  • Bright, 4 white-LED backlights, on by default but you can connect a transistor to a digital pin for backlight control.
  • Colorful, 18-bit 262,000 different shades.
  • 4-wire resistive touch screen
  • spfd5408 controller with built-in video RAM buffer.
  • 8-bit digital interface, plus 4 control lines.
  • Uses digital pins 5-13 and analog 0-3. That means you can use digital pins 2, 3 and analog 4 and 5. Pin 12 is available if not using the micro SD.
  • 5V compatible, use with 3.3V or 5V logic.
  • The TFT LCD touchscreen comes with an SD Card Slot.

[learn_more caption="Example Sketch & Diagram"]

Library1: Adafruit_TFTLCD.zip
Library2: Adafruit_GFX.zip
Library3: TouchScreen.zip

Open "tftpaint" from the "Adafruit_TFTLCD" library and change as follow:

#define YP A1 // must be an analog pin, use "An" notation!
#define XM A2 // must be an analog pin, use "An" notation!
#define YM 7 // can be a digital pin
#define XP 6 // can be a digital pin

To

#define YP A2 // must be an analog pin, use "An" notation!
#define XM A1 // must be an analog pin, use "An" notation!
#define YM 6 // can be a digital pin
#define XP 7 // can be a digital pin



Then uncoment "//pinMode(XP, OUTPUT);" and "// pinMode(YM, OUTPUT);"
[/learn_more]

https://youtu.be/DsZ0ULMHCGc