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#include "DHT.h"
#define DHTPIN 2
#define DHTTYPE DHT11   // DHT 11
DHT dht(DHTPIN, DHTTYPE);

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

// ST7789 TFT module connections
#define TFT_CS    10
#define TFT_DC     8
#define TFT_RST    9

// Initialize Adafruit ST7789 TFT library
Adafruit_ST7789 tft = Adafruit_ST7789(TFT_CS, TFT_DC, TFT_RST);

void setup(void) {
  Serial.begin(9600);
  dht.begin();
  tft.init(240, 240, SPI_MODE2);
  tft.setRotation(2);
  tft.setTextWrap(false);
  tft.fillScreen(ST77XX_WHITE);
}

void loop() {
  tftPrintTempHum();
}

void tftPrintTempHum() {
  int h = dht.readHumidity();
  float t = dht.readTemperature();
  tft.setCursor(40, 80);
  tft.setTextColor(ST77XX_BLACK, ST77XX_WHITE);
  tft.setTextSize(4);
  tft.print(t);
  tft.drawCircle(171, 85, 4, ST77XX_BLACK);
  tft.drawCircle(171, 85, 5, ST77XX_BLACK);
  tft.setCursor(180, 80);
  tft.print("C");

  tft.setCursor(100, 130);
  tft.setTextColor(ST77XX_BLACK, ST77XX_WHITE);
  tft.setTextSize(3);
  tft.print(h);
  tft.print("%");
}