//#include <Wire.h>// I2C devices communication
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>//Monochrome OLEDs, diff Width/Hight
#include <DHT.h>
#define DHT_PIN 2
DHT dht(DHT_PIN, DHT22);
Adafruit_SSD1306 oled(128, 64, &Wire, -1); //-1= OLED_RESET
void setup() {   Serial.begin(9600);    dht.begin();
  if(!oled.begin(SSD1306_SWITCHCAPVCC, 0x3C)) {  //I2C address 0x3C
    Serial.println(F("failed to start"));      while (1);   }
delay(2000);     /* oled.clearDisplay();  */ }
void loop() {
 float temperature = dht.readTemperature();
 float humidity = dht.readHumidity();
  oled.setTextSize(1);/*1.5 даёт тоже самое*/         oled.setTextColor(WHITE);  
  oled.setCursor(0, 20);       // (x,y)
  oled.print("Temperature");   oled.setCursor(80, 20);   oled.print(temperature);
  oled.setCursor(120,20);      oled.print("C");      
  oled.setCursor(0,45);
//oled.setFont(BigNumbers);     Нужна "OLED_I2C.h"        Key0 wokwi OLED_I2C.h
//oled.setFont(RusFont);   oled.print("DSCJNF",CENTER,0); //Надпись "ВЫСОТА",поЦентру
  oled.print("Humidity");    oled.setCursor(80,45);    oled.print(humidity);
  oled.setCursor(120,45);    oled.print("%");        
  oled.display();       
    
  if (!isnan(temperature) && !isnan(humidity)) {
    Serial.print("Temperature (°C): ");    Serial.println(temperature);
    Serial.print("Humidity (%): ");        Serial.println(humidity);
  } else     Serial.println("Error reading from DHT sensor");
  
  delay(2000);        oled.clearDisplay();
}