The 1.8 Inch TFT LCD Module is a compact, vibrant display ideal for adding a splash of color to your projects. With a 128x160 resolution, full 18-bit color support, and a high-speed SPI interface, this module delivers high-quality visuals and is compatible with most microcontrollers, including Arduino, ESP32, STM32, and Raspberry Pi.

Key Features:

1. Compact and Bright Display:

   • 1.8″ diagonal size with a resolution of 128x160 pixels for sharp and colorful images.

2. TFT Technology:

   • True TFT display with fast refresh rates and excellent color reproduction compared to CSTN displays.

3. High Color Depth:

   • Displays 18-bit color (262,144 shades) for vivid and rich visuals.

4. SPI Interface:

   • Uses a 4-wire SPI interface, minimizing GPIO pin usage while maintaining high-speed communication.

5. Versatile Voltage Compatibility:

   • Integrated 3.3V regulator and level shifter ensure compatibility with both 3.3V and 5V logic systems.

6. Reliable Driver Chip:

   • The ST7735 driver ensures consistent performance and compatibility across multiple units.

7. Compact Design:

   • Small PCB footprint makes it suitable for projects with limited space.

Specifications:

• Display Size: 1.8 inches
• Resolution: 128x160 pixels
• Driver IC: ST7735
• Interface: SPI (4-wire)
• Input Voltage: 3.3V to 5V
• Logic Compatibility: 3.3V and 5V logic levels
• PCB Dimensions: 57mm x 34mm (L x W)
• Color Depth: 18-bit (262,144 colors)
• Backlight: Built-in with adjustable brightness
• Viewing Angle: Wide viewing angles with excellent contrast

Pin Description:

Applications:

• Embedded system interfaces
• IoT projects with graphical displays
• Portable and handheld devices
• Small gaming consoles
• Wearable electronics

How to interface with Arduino?

To interface with an Arduino using a TFT display, you'll need to follow these general steps:

1. Hardware Connections

• Power Supply: Connect the VCC and GND of the display to the Arduino's 5V and GND pins, respectively.
• SPI Pins: Connect the SPI pins of the TFT display to the corresponding SPI pins on the Arduino. For the standard SPI interface, these are usually:
  • MOSI (Master Out Slave In): Connect to Arduino pin 11 (for most Arduinos).
  • MISO (Master In Slave Out): Connect to Arduino pin 12 (if used, often not needed for displays).
  • SCK (Serial Clock): Connect to Arduino pin 13.
• CS (Chip Select): Connect to a digital pin on the Arduino (often pin 10).
• DC (Data/Command): Connect to another digital pin (often pin 9).
• RST (Reset): Connect to a digital pin (often pin 8).

2. Software Libraries

• You’ll need to install the appropriate library to control the TFT display. For the ST7735 driver, you can use the Adafruit ST7735 library. Install it via the Arduino Library Manager:
  • Go to Sketch > Include Library > Manage Libraries…
  • Search for "Adafruit ST7735" and install it.

3. Sample Code

• Here’s a basic example to initialize the display and draw something on it:

#include <Adafruit_GFX.h>
#include <Adafruit_ST7735.h>

// Pin definitions
#define TFT_CS     10
#define TFT_RST    8
#define TFT_DC     9

// Create an instance of the display
Adafruit_ST7735 tft = Adafruit_ST7735(TFT_CS, TFT_DC, TFT_RST);

void setup() {
  // Initialize the display
  tft.initR(INITR_BLACKTAB);
  tft.fillScreen(ST77XX_BLACK);
  tft.setTextColor(ST77XX_WHITE);
  tft.setTextSize(1);
  tft.setCursor(0, 0);
  tft.println("Hello, World!");
}

void loop() {
  // Your code here
}