dht11_con_oled

#include <DHT.h>
#include <DHT_U.h>
#include <Adafruit_GFX.h>    // Core graphics library
#include <Adafruit_ST7789.h> // Hardware-specific library for ST7789
#include <SPI.h>
#include <ESP8266WiFi.h>



#define TFT_CS      -1
#define TFT_RST     16                                            
#define TFT_DC      5
#define SCR_WD   240
#define SCR_HT   240
#define DHTPIN 2     
#define DHTTYPE DHT11   
DHT dht(DHTPIN, DHTTYPE);


#define NUMFLAKES 10
#define XPOS 0
#define YPOS 1
//#define DELTAY 2


#define LOGO16_GLCD_HEIGHT 16 
#define LOGO16_GLCD_WIDTH  16 

static const unsigned char PROGMEM logo16_glcd_bmp[] =
{ B00000000, B11000000,
  B00000001, B11000000,
  B00000001, B11000000,
  B00000011, B11100000,
  B11110011, B11100000,
  B11111110, B11111000,
  B01111110, B11111111,
  B00110011, B10011111,
  B00011111, B11111100,
  B00001101, B01110000,
  B00011011, B10100000,
  B00111111, B11100000,
  B00111111, B11110000,
  B01111100, B11110000,
  B01110000, B01110000,
  B00000000, B00110000 };


const char* ssid = "xxxxx"; //Nombre de la red WiFi a la que nos vamos a conectar
const char* password = "xxxxxx"; //Contrasena de la red WiFi a la que nos vamos a conectar

Adafruit_ST7789 tft = Adafruit_ST7789(TFT_CS, TFT_DC, TFT_RST); //set pins ST7789



void setup()
{
  Serial.begin(9600);
 /* Inicializamos la pantalla */
 // if the display has CS pin try with SPI_MODE0
  //tft.init(240, 240);    // Init ST7789 display 240x240 pixel
  //tft.init(SCR_WD, SCR_HT);
    tft.init(240, 240, SPI_MODE2);    // Init ST7789 display 240x240 pixel
  tft.setRotation(2);


   tft.fillScreen(ST77XX_RED);
  delay(100);
  tft.fillScreen(ST77XX_GREEN);
  delay(100);
  tft.fillScreen(ST77XX_BLUE);
  delay(100);
  tft.fillScreen(ST77XX_BLACK);

 /* Mostramos la pantalla de bienvenida */
 tft.fillScreen(ST77XX_BLACK);
 tft.setTextSize(3);
 tft.setTextColor(ST77XX_RED,ST77XX_BLACK);
 tft.setCursor(50, 80);
 tft.println("pier.es");
 //tft.println("&#10084;");
 //drawSymbol(0,20, MY_HEART_SUIT,ST77XX_RED,0,2);
 delay (3000);
 /*Mostrar red en pantala*/
 tft.fillScreen(ST77XX_BLACK);
 tft.setTextSize(2);
 tft.println("Connecting to: ");
 delay (3000);
 //Serial.println("Connecting to:");
 //tft.drawChar(0, 32, ssid, YELLOW, BLACK, 2 );


 /*Conectarnos a la red WiFi*/
 WiFi.begin(ssid, password);

 while (WiFi.status() != WL_CONNECTED) {
 delay(500);
 /*Mostrar nuestra IP*/
 String ip = WiFi.localIP().toString();
 tft.fillScreen(ST77XX_BLACK);
  tft.setCursor(0, 20);
 tft.println("Red:");
 tft.println(ssid);
  delay(500);
  //Serial.println("Red:");  
 //tft.drawChar(40, 0, ssid, YELLOW, BLACK, 2 );
 tft.println("IP address: ");
  //Serial.println('IP address:');
 tft.println(ip);
 //tft.fillScreen(ST77XX_BLACK);
 }
}


void loop(){
  showTemp();
 tft.fillScreen(ST77XX_BLACK);
  
  }


  void showTemp(void) {   // function to read and display temperature
   delay(2000);// Wait a few seconds for sensor to measure
  
  float h = dht.readHumidity();
  // Read temperature as Celsius
  float t = dht.readTemperature();
  // Read temperature as Fahrenheit
  float f = dht.readTemperature(true);
  
  // Check if any reads failed and exit early (to try again).
  if (isnan(h) || isnan(t) || isnan(f)) {
   Serial.println("Failed to read from DHT sensor!");
    return;
  }

  
  delay(1000);
  
  tft.fillScreen(ST77XX_BLACK);
  notehum(h);
  delay(2000);
  
  tft.fillScreen(ST77XX_BLACK);
  notetemp(t,'C'); 
  delay(2000);  
 
   tft.fillScreen(ST77XX_BLACK);
   notetemp(f,'F');   
   delay(2000); 
}
void notehum(float hum)
{ tft.drawRect(1, 1, tft.width()-1, tft.height()-1, ST77XX_WHITE);  
   tft.setTextSize(3);
    tft.setCursor(15,10);
  tft.print(hum);
  tft.setCursor(110,10);
  tft.print("%"); 
    tft.setCursor(130,10);    
  tft.print("H"); 
   tft.println();
  
}
void notetemp(float temp, char C_F)   
 {
 tft.drawRect(1, 1, tft.width()-1, tft.height()-1, ST77XX_WHITE);  
  tft.setTextColor(ST77XX_WHITE);   
  tft.setTextSize(2);       
  tft.setCursor(114,3);
  tft.print("o");            
  tft.setTextSize(3);
  tft.setCursor(135,10);    
  tft.print(C_F);            

 if(temp >=100 || temp < 0){    
    tft.setTextSize(3);
    tft.setCursor(15,10);
 }
 else if(temp < 10 && temp >= 0){  
  tft.setTextSize(3);
  tft.setCursor(25,6);
 }

 else
 {
    tft.setTextSize(3);   
    tft.setCursor(10,6);
 }

  tft.print(temp);  
  tft.println();
  
 }