Seeed Studio XIAO ESP32S3 Sense display on 2.4" TFT 240×320 ST7789V using Adafruit_ST7789 lib in Arduino framework.

Exercise running on Seeed Studio XIAO ESP32S3 Sense, to display on 2.4" TFT 240×320 ST7789V using Adafruit_ST7789 lib in Arduino framework.

Board and library installed:
esp32 by Espressif System (arduino-esp32) 3.0.3
Adafruit ST7735 and ST7789 Library 1.10.4

Connection:

Code:

XiaoS3_ST7789_SPI_240x320_color.ino

/**************************************************************************
  XIAO ESP32S3 Connect display on
  2.4" IPS 240x320 SPI (ST7789V)
  : Color Test

  Connection:
  ST7789      XIAO ESP32S3
  1 GND	      GND
  2 VCC	      3V3
  3 SCL	      GPIO7 (hardware SPI SCK)
  4 SDA	      GPIO9 (hardware SPI MOSI)
  5 RST	      GPIO2
  6 DC	      GPIO3
  7 CS	      GPIO4
  8 BL	      3V3
 **************************************************************************/
#include <Adafruit_GFX.h>    // Core graphics library
#include <Adafruit_ST7789.h> // Hardware-specific library for ST7789
#include <SPI.h>

#define TFT_RST       2
#define TFT_DC        3
#define TFT_CS        4

// For ST7789, using hardware SPI (SCK=GPIO7, MOSI=GPIO9): 
Adafruit_ST7789 tft = Adafruit_ST7789(TFT_CS, TFT_DC, TFT_RST);

void setup(void) {
  delay(500);
  Serial.begin(115200);
  delay(500);
  Serial.print(F("240x320 IPS ST7789V SPI"));
  Serial.println();
  Serial.print("MOSI: ");
  Serial.println(MOSI);
  Serial.print("SCK:  ");
  Serial.println(SCK);

  // using a 2.4" IPS 240x320 SPI (ST7789V):
  tft.init(240, 320);           // Init ST7789 240x320
  tft.setRotation(0);
  tft.fillScreen(ST77XX_BLACK);
  
  Serial.println(F("Initialized"));
  Serial.println(tft.width());
  Serial.println(tft.height());

  delay(1000);
}

void loop() {
  tft.fillScreen(ST77XX_BLACK);
  tft.setTextSize(3);
  drawtext("BLACK", ST77XX_WHITE, 10, 10);
  tft.drawRect(0, 0, tft.width(), tft.height(), ST77XX_WHITE);
  delay(3000);

  tft.fillScreen(ST77XX_WHITE);
  tft.setTextSize(3);
  drawtext("WHITE", ST77XX_BLACK, 10, 10);
  tft.drawRect(1, 1, tft.width()-2, tft.height()-2, ST77XX_BLACK);
  delay(3000);

  tft.fillScreen(ST77XX_RED);
  tft.setTextSize(3);
  drawtext("RED", ST77XX_WHITE, 10, 10);
  delay(3000);

  tft.fillScreen(ST77XX_GREEN);
  tft.setTextSize(3);
  drawtext("GREEN", ST77XX_WHITE, 10, 10);
  delay(3000);

  tft.fillScreen(ST77XX_BLUE);
  tft.setTextSize(3);
  drawtext("BLUE", ST77XX_WHITE, 10, 10);
  delay(3000);
}

void drawtext(char *text, uint16_t color, int16_t x, int16_t y) {
  tft.setCursor(x, y);
  tft.setTextColor(color);
  tft.setTextWrap(true);
  tft.print(text);
}

next:
~ Adafruit_GFX/ImageReader exercises to load bmp images from MicroSD and display on 240×320 ST7789 SPI TFT, run on Seeed Studio XIAO ESP32S3 Sense (Arduino Platform).