#include <SPI.h>
#include <Adafruit_GFX.h>
#include <Adafruit_ILI9341.h>

#define TFT_CS   15
#define TFT_DC    2
#define TFT_RST   4
#define TFT_CLK  18
#define TFT_MOSI 23
#define TFT_MISO 19

Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC, TFT_MOSI, TFT_CLK, TFT_RST, TFT_MISO);

void setup() {
  Serial.begin(115200);
  tft.begin();
  tft.fillScreen(ILI9341_BLUE);  // Should show blue screen
}

void loop() {}