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LCD 1.8 inch TFT SPI Module 128*160 ST7735

The 1.8-inch SPI TFT LCD Display Module is a compact full-color display designed for embedded systems, Arduino, ESP32, STM32, Raspberry Pi, and other SPI-compatible development platforms. Featuring a 128 × 160 pixel resolution and the ST7735S display controller, it delivers vibrant 65K-color graphics with fast refresh rates while using only a few microcontroller pins. Many versions of this module also include an onboard MicroSD card slot, making it easy to display images, icons, and graphical assets stored on external memory. Its compact size, low power consumption, and simple SPI interface make it ideal for graphical user interfaces, instrumentation, robotics, and IoT applications.

Package Includes

  • 1 × 1.8 Inch SPI TFT LCD Display Module (ST7735S)


TFT
56.00 AED 56.00 AED (Tax included)

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Features

  • 1.8-inch full-color TFT LCD display.
  • 128 × 160 pixel resolution.
  • Driven by the ST7735S TFT controller.
  • SPI interface for high-speed communication.
  • Supports 65K RGB colors.
  • Integrated LED backlight.
  • Onboard MicroSD card slot for image and data storage.
  • Requires only a few GPIO pins.
  • Compatible with Arduino, ESP32, STM32, Raspberry Pi, and other SPI-capable controllers.
  • Compact module suitable for portable and embedded applications.

Principle of Operation

The display communicates with a host microcontroller using the SPI (Serial Peripheral Interface) bus. Commands and pixel data are transmitted to the onboard ST7735S controller, which stores the image in display memory and continuously refreshes the TFT panel.

The RS (Data/Command) pin selects whether transmitted bytes represent commands or display data, while the CS pin enables communication with the display. The RESET pin initializes the controller during startup, and the LED pin powers the display backlight. If equipped, the onboard MicroSD card communicates through a separate SPI chip-select line while sharing the SPI clock and data lines.

Pinout

Pin Function Typical Connection
VCC Power input (3.3V–5V depending on module version) 3.3V or 5V
GND Ground GND
GND Additional ground connection GND
NC No connection Leave unconnected
NC No connection Leave unconnected
NC No connection Leave unconnected
CLK SPI clock input SPI SCK
SDA SPI data input (MOSI) SPI MOSI
RS (DC) Data / Command selection Digital GPIO
RST Display reset input Digital GPIO
CS Display chip select SPI CS / SS

MicroSD Card SPI Pins

Pin Function Typical Connection
SD_MISO SPI data output from MicroSD card SPI MISO
SD_SCK SPI clock for MicroSD card SPI SCK
SD_MOSI SPI data input to MicroSD card SPI MOSI
SD_CS MicroSD chip select Digital GPIO (SPI CS)

Hardware Connections:

 

LCD Pin Arduino Pin
1 - Vcc 3.3V or 5V
2 - GND GND
3 - GND or N/C GND / Not Connected
4 - N/C Not Connected
5 - N/C Not Connected
6 - LED 3.3V
7 - CLK (SCK) D13
8 - SDI (MOSI) D11
9 - RS (DC) D9
10 - RST D8
11 - CS (SS) D10

Sample Arduino Code:

#include "UTFT.h"

// Declare font
extern uint8_t SmallFont[];

// Create an instance of UTFT
UTFT myGLCD(ITDB18SP, 11, 13, 10, 8, 9);

void setup() {
  myGLCD.InitLCD(PORTRAIT);
  myGLCD.setFont(SmallFont);
  myGLCD.clrScr();
  myGLCD.setContrast(64);
  myGLCD.setColor(255, 255, 255);
  myGLCD.setBackColor(255, 100, 0);
  myGLCD.print("Mooper", CENTER, 0);
}

void loop() {
  // Custom drawing or graphics routines can be placed here.
}

Library:

Make sure to download and install the UTFT library by Henning Karlsen from the Arduino Library Manager or GitHub.

Applications

  • Arduino graphical user interfaces.
  • IoT dashboards and status displays.
  • Portable measuring instruments.
  • Robotics control panels.
  • Industrial monitoring systems.
  • Menu-driven embedded applications.
  • Image and icon display from MicroSD cards.
  • Educational electronics projects.

Specifications

Parameter Value
Display Size 1.8 Inch
Resolution 128 × 160 pixels
Driver IC ST7735S
Display Type TFT LCD
Interface SPI
Color Depth 65K RGB Colors
Supply Voltage 3.3V–5V (module dependent)
Backlight LED
MicroSD Support Yes (SPI Interface)
Operating Temperature -20°C to +70°C (typical)

Resources