1.3'' 240x240 SPI TFT LCD Display - ST7789

1.3'' 240x240 SPI TFT LCD Screen - ST7789

The 1.3'' 240x240 SPI TFT LCD Screen - ST7789 has a 240x240 full-color TFT LCD screen format. This display, using the ST7789 IC driver, has a 1.3-inch screen size.

Adafruit_GFX Library

ST7789 Library

Features

• Operating voltage: 3.3V
• Screen size: 1.3 inches
• Resolution: 240*240
• Interface type: SPI output
• Driver chip: ST7789
• Screen color: RGB
• Screen area: 23.4x23.4mm
• Operating Temperature: -20℃~85℃
• Operating Humidity: 5%~95%RH
• Module Size: 39x28x12mm

Pinout

• 1-GND
• 2-VCC
• 3-SCL
• 4-SDA
• 5-RES
• 6-DC
• 7-BLK

Sample Arduino Code

#include
#include
#include "ST7789_AVR.h"

// ===== PIN DEFINITIONS =====
#define TFT_DC  7
#define TFT_RST  8
#define TFT_CS  -1   // ❗ NO CS

#define SCR_WD 240
#define SCR_HT 240

ST7789_AVR tft = ST7789_AVR(TFT_DC, TFT_RST, TFT_CS);

void setup() {
  Serial.begin(115200);

  // LCD INIT
  tft.init(SCR_WD, SCR_HT);
tft.fillScreen(BLACK);

  tft.setCursor(10, 10);
  tft.setTextColor(WHITE);
  tft.setTextSize(2);
  tft.println("ST7789 OK");

  delay(1000);

  // Test colors
tft.fillScreen(RED);
  delay(500);
  tft.fillScreen(GREEN);
  delay(500);
  tft.fillScreen(BLUE);
  delay(500);

  tft.fillScreen(BLACK);
  tft.setCursor(20, 100);
tft.setTextSize(2);
tft.setTextColor(YELLOW);
tft.println("WORKING");
}

void loop() {
// blank – screen remains fixed
}