Arduino Nano RP2040 Connect display on 1.14" 135x240 IPS ST7789 SPI (in Arduino Framework)

Arduino Nano RP2040 Connect display on 1.14" 135x240 IPS ST7789V SPI (in Arduino Framework), using Adafruit ST7735 and ST7789 Library.

The default SPI pins of Nano RP2040 Connect in Arduino Framework is:
SS:          D10
MOSI:    D11
MISO:    D12
SCK:      D13

Connection using Hardware SPI:

    ST7789V(SPI)    Nano RP2040 Connect
    GND		    GND
    VCC		    3V3
    SCL		    D13 (default SCK)
    SDA		    D11 (default MOSI)
    RES 	    D10
    DC  	    D9
    CS		    D8
    BLK		    3V3

	Nano RP2040 Connect		ST7789 SPI
	
	+---------------------+		+------
	|    		      |	    GND-| GND
	|  +--------------+   |	    3V3-| VCC
	+--| D13      D12 |   +---------| SCL
       3V3-| 3V3      D11 |-------------| SDA
	   |	      D10 |-------------| RES
	   |	      D9  |-------------| DC
	   |	      D8  |-------------| CS
	   |		  |	    3V3-| BLK
	   |		  |		+-------
	   |		  |
	   |		  |
	   |		  |
	   |		  |
	   |		  |
	   |		  |
       GND-| GND          |
	   |		  |
	   +--------------+

Code:

get_default_SPI_pins.ino
get default SPI pins

void setup() {
  delay(500);
  Serial.begin(9600);
  delay(500);
  if(!Serial.available()){
    
  }
}

void loop() {
  delay(3000);
  Serial.println();
  Serial.print("Default SS:\t");
  Serial.println(SS);
  Serial.print("Default MOSI:\t");
  Serial.println(MOSI);
  Serial.print("Default MISO:\t");
  Serial.println(MISO);
  Serial.print("Default SCK:\t");
  Serial.println(SCK);
}

NRP_240x135_ST7789_SPI_color.ino
Color Test, using Hardware SPI

/**************************************************************************
  Arduino Nano RP2040 Connect display on
  1.14" 240x135 ST7789 SPI IPS Display using hardware SPI
  : Color Test

  Connection:
  GND GND
  VCC 3V3
  SCL D13
  SDA D11
  RES D10
  DC  D9
  CS  D8
  BLK 3V3
 **************************************************************************/

#include <Adafruit_GFX.h>    // Core graphics library
#include <Adafruit_ST7789.h> // Hardware-specific library for ST7789
#include <SPI.h>

#define TFT_CS        8
#define TFT_RST       10
#define TFT_DC        9

// For ST7789:
Adafruit_ST7789 tft = Adafruit_ST7789(TFT_CS, TFT_DC, TFT_RST);

void setup(void) {
  delay(500);
  Serial.begin(9600);
  delay(500);
  Serial.print(F("135x240 (RGB) IPS ST778V SPI"));

  // using a 1.14" 240x135 TFT:
  tft.init(135, 240);           // Init ST7789 240x135
  tft.setRotation(3);
  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);
}

NRP_240x135_ST7789_SoftSPI_color.ino
using Software SPI.

/**************************************************************************
  Arduino Nano RP2040 Connect display on
  1.14" 240x135 ST7789 SPI IPS Display using software SPI
  : Color Test

  Connection:
  GND GND
  VCC 3V3
  SCL D10
  SDA D9
  RES D8
  DC  D7
  CS  D6
  BLK 3V3
 **************************************************************************/

#include <Adafruit_GFX.h>    // Core graphics library
#include <Adafruit_ST7789.h> // Hardware-specific library for ST7789
#include <SPI.h>
#define TFT_SCLK  10
#define TFT_MOSI  9
#define TFT_RST   8
#define TFT_DC    7
#define TFT_CS    6

// For ST7789 using software SPI:
Adafruit_ST7789 tft = Adafruit_ST7789(TFT_CS, TFT_DC, TFT_MOSI, TFT_SCLK, TFT_RST);

void setup(void) {
  delay(500);
  Serial.begin(9600);
  delay(500);
  Serial.print(F("135x240 (RGB) IPS ST778V SPI"));

  // using a 1.14" 240x135 TFT:
  tft.init(135, 240);           // Init ST7789 240x135
  tft.setRotation(3);
  tft.setTextSize(2);
  tft.fillScreen(ST77XX_BLACK);
  drawtext("using Software SPI", ST77XX_WHITE, 10, 10);
  delay(3000);
  
  Serial.println(F("Initialized"));
  Serial.println(tft.width());
  Serial.println(tft.height());

  delay(3000);

}

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);
}

ref:
~ Adafruit ST7735 and ST7789 Library
~ Adafruit_GFX Library